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Finding the Fourth Proportional to 288,791.76, 432,342.96 and 168,480.80

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Solution

The fourth proportional to 288,791.76, 432,342.96 and 168,480.80 is: 252,228.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,791.76 : 432,342.96 = 168,480.80 : x
  2. Step 2: Convert to fraction form
    288,791.76/432,342.96 = 168,480.80/x
  3. Step 3: Cross multiply
    288,791.76x = 432,342.96 × 168,480.80
  4. Step 4: Simplify right side
    288,791.76x = 72,841,487,775.17
  5. Step 5: Solve for x
    x = 72,841,487,775.17/288,791.76
  6. Step 6: Final answer
    x = 252,228.41

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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.