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Finding the Fourth Proportional to 637,377.06, 956,065.68 and 210,798.40

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Solution

The fourth proportional to 637,377.06, 956,065.68 and 210,798.40 is: 316,197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,377.06 : 956,065.68 = 210,798.40 : x
  2. Step 2: Convert to fraction form
    637,377.06/956,065.68 = 210,798.40/x
  3. Step 3: Cross multiply
    637,377.06x = 956,065.68 × 210,798.40
  4. Step 4: Simplify right side
    637,377.06x = 201,537,115,638.91
  5. Step 5: Solve for x
    x = 201,537,115,638.91/637,377.06
  6. Step 6: Final answer
    x = 316,197.63

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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.