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Finding the Fourth Proportional to 637,382.08, 956,073.20 and 210,803.40

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Solution

The fourth proportional to 637,382.08, 956,073.20 and 210,803.40 is: 316,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,382.08 : 956,073.20 = 210,803.40 : x
  2. Step 2: Convert to fraction form
    637,382.08/956,073.20 = 210,803.40/x
  3. Step 3: Cross multiply
    637,382.08x = 956,073.20 × 210,803.40
  4. Step 4: Simplify right side
    637,382.08x = 201,543,481,208.88
  5. Step 5: Solve for x
    x = 201,543,481,208.88/637,382.08
  6. Step 6: Final answer
    x = 316,205.13

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.