Home / 252,336.52-378,364-83,765.30

Finding the Fourth Proportional to 252,336.52, 378,364 and 83,765.30

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Solution

The fourth proportional to 252,336.52, 378,364 and 83,765.30 is: 125,601.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,336.52 : 378,364 = 83,765.30 : x
  2. Step 2: Convert to fraction form
    252,336.52/378,364 = 83,765.30/x
  3. Step 3: Cross multiply
    252,336.52x = 378,364 × 83,765.30
  4. Step 4: Simplify right side
    252,336.52x = 31,693,773,969.20
  5. Step 5: Solve for x
    x = 31,693,773,969.20/252,336.52
  6. Step 6: Final answer
    x = 125,601.22

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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.