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Finding the Fourth Proportional to 472,265.22, 708,508.62 and 187,973.04

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Solution

The fourth proportional to 472,265.22, 708,508.62 and 187,973.04 is: 282,003.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,265.22 : 708,508.62 = 187,973.04 : x
  2. Step 2: Convert to fraction form
    472,265.22/708,508.62 = 187,973.04/x
  3. Step 3: Cross multiply
    472,265.22x = 708,508.62 × 187,973.04
  4. Step 4: Simplify right side
    472,265.22x = 133,180,519,167.61
  5. Step 5: Solve for x
    x = 133,180,519,167.61/472,265.22
  6. Step 6: Final answer
    x = 282,003.66

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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.