Home / 637,475.20-956,247.36-238,220.80

Finding the Fourth Proportional to 637,475.20, 956,247.36 and 238,220.80

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Solution

The fourth proportional to 637,475.20, 956,247.36 and 238,220.80 is: 357,344.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,475.20 : 956,247.36 = 238,220.80 : x
  2. Step 2: Convert to fraction form
    637,475.20/956,247.36 = 238,220.80/x
  3. Step 3: Cross multiply
    637,475.20x = 956,247.36 × 238,220.80
  4. Step 4: Simplify right side
    637,475.20x = 227,798,011,097.09
  5. Step 5: Solve for x
    x = 227,798,011,097.09/637,475.20
  6. Step 6: Final answer
    x = 357,344.11

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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.