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Finding the Fourth Proportional to 637,688.48, 956,505.04 and 238,332.69

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Solution

The fourth proportional to 637,688.48, 956,505.04 and 238,332.69 is: 357,488.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,688.48 : 956,505.04 = 238,332.69 : x
  2. Step 2: Convert to fraction form
    637,688.48/956,505.04 = 238,332.69/x
  3. Step 3: Cross multiply
    637,688.48x = 956,505.04 × 238,332.69
  4. Step 4: Simplify right side
    637,688.48x = 227,966,418,585.93
  5. Step 5: Solve for x
    x = 227,966,418,585.93/637,688.48
  6. Step 6: Final answer
    x = 357,488.69

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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.