Home / 372,789.31-514,463.80-211,659.35

Finding the Fourth Proportional to 372,789.31, 514,463.80 and 211,659.35

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Solution

The fourth proportional to 372,789.31, 514,463.80 and 211,659.35 is: 292,098.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,789.31 : 514,463.80 = 211,659.35 : x
  2. Step 2: Convert to fraction form
    372,789.31/514,463.80 = 211,659.35/x
  3. Step 3: Cross multiply
    372,789.31x = 514,463.80 × 211,659.35
  4. Step 4: Simplify right side
    372,789.31x = 108,891,070,934.21
  5. Step 5: Solve for x
    x = 108,891,070,934.21/372,789.31
  6. Step 6: Final answer
    x = 292,098.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.