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Finding the Fourth Proportional to 423,251.52, 634,566.24 and 201,791.04

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Solution

The fourth proportional to 423,251.52, 634,566.24 and 201,791.04 is: 302,538.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,251.52 : 634,566.24 = 201,791.04 : x
  2. Step 2: Convert to fraction form
    423,251.52/634,566.24 = 201,791.04/x
  3. Step 3: Cross multiply
    423,251.52x = 634,566.24 × 201,791.04
  4. Step 4: Simplify right side
    423,251.52x = 128,049,781,518.49
  5. Step 5: Solve for x
    x = 128,049,781,518.49/423,251.52
  6. Step 6: Final answer
    x = 302,538.27

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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.