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Finding the Fourth Proportional to 252,917.52, 379,088.28 and 84,398.28

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Solution

The fourth proportional to 252,917.52, 379,088.28 and 84,398.28 is: 126,501.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,917.52 : 379,088.28 = 84,398.28 : x
  2. Step 2: Convert to fraction form
    252,917.52/379,088.28 = 84,398.28/x
  3. Step 3: Cross multiply
    252,917.52x = 379,088.28 × 84,398.28
  4. Step 4: Simplify right side
    252,917.52x = 31,994,398,800.16
  5. Step 5: Solve for x
    x = 31,994,398,800.16/252,917.52
  6. Step 6: Final answer
    x = 126,501.31

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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.