Home / 438,516.43-657,836.96-134,935.77

Finding the Fourth Proportional to 438,516.43, 657,836.96 and 134,935.77

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Solution

The fourth proportional to 438,516.43, 657,836.96 and 134,935.77 is: 202,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,516.43 : 657,836.96 = 134,935.77 : x
  2. Step 2: Convert to fraction form
    438,516.43/657,836.96 = 134,935.77/x
  3. Step 3: Cross multiply
    438,516.43x = 657,836.96 × 134,935.77
  4. Step 4: Simplify right side
    438,516.43x = 88,765,734,823.94
  5. Step 5: Solve for x
    x = 88,765,734,823.94/438,516.43
  6. Step 6: Final answer
    x = 202,422.83

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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.