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Finding the Fourth Proportional to 286,987.44, 430,332.26 and 84,557.27

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Solution

The fourth proportional to 286,987.44, 430,332.26 and 84,557.27 is: 126,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,987.44 : 430,332.26 = 84,557.27 : x
  2. Step 2: Convert to fraction form
    286,987.44/430,332.26 = 84,557.27/x
  3. Step 3: Cross multiply
    286,987.44x = 430,332.26 × 84,557.27
  4. Step 4: Simplify right side
    286,987.44x = 36,387,722,385.75
  5. Step 5: Solve for x
    x = 36,387,722,385.75/286,987.44
  6. Step 6: Final answer
    x = 126,792.04

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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.