Home / 331,654.76-457,685.08-188,422.66

Finding the Fourth Proportional to 331,654.76, 457,685.08 and 188,422.66

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Solution

The fourth proportional to 331,654.76, 457,685.08 and 188,422.66 is: 260,024.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,654.76 : 457,685.08 = 188,422.66 : x
  2. Step 2: Convert to fraction form
    331,654.76/457,685.08 = 188,422.66/x
  3. Step 3: Cross multiply
    331,654.76x = 457,685.08 × 188,422.66
  4. Step 4: Simplify right side
    331,654.76x = 86,238,240,215.91
  5. Step 5: Solve for x
    x = 86,238,240,215.91/331,654.76
  6. Step 6: Final answer
    x = 260,024.13

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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.