Home / 423,733.38-635,516.19-210,278.58

Finding the Fourth Proportional to 423,733.38, 635,516.19 and 210,278.58

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Solution

The fourth proportional to 423,733.38, 635,516.19 and 210,278.58 is: 315,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,733.38 : 635,516.19 = 210,278.58 : x
  2. Step 2: Convert to fraction form
    423,733.38/635,516.19 = 210,278.58/x
  3. Step 3: Cross multiply
    423,733.38x = 635,516.19 × 210,278.58
  4. Step 4: Simplify right side
    423,733.38x = 133,635,442,000.21
  5. Step 5: Solve for x
    x = 133,635,442,000.21/423,733.38
  6. Step 6: Final answer
    x = 315,376.24

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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.