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Finding the Fourth Proportional to 252,362.66, 378,612.03 and 83,910.20

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Solution

The fourth proportional to 252,362.66, 378,612.03 and 83,910.20 is: 125,887.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,362.66 : 378,612.03 = 83,910.20 : x
  2. Step 2: Convert to fraction form
    252,362.66/378,612.03 = 83,910.20/x
  3. Step 3: Cross multiply
    252,362.66x = 378,612.03 × 83,910.20
  4. Step 4: Simplify right side
    252,362.66x = 31,769,411,159.71
  5. Step 5: Solve for x
    x = 31,769,411,159.71/252,362.66
  6. Step 6: Final answer
    x = 125,887.92

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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.