Home / 387,781.80-581,434.56-150,848.34

Finding the Fourth Proportional to 387,781.80, 581,434.56 and 150,848.34

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Solution

The fourth proportional to 387,781.80, 581,434.56 and 150,848.34 is: 226,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,781.80 : 581,434.56 = 150,848.34 : x
  2. Step 2: Convert to fraction form
    387,781.80/581,434.56 = 150,848.34/x
  3. Step 3: Cross multiply
    387,781.80x = 581,434.56 × 150,848.34
  4. Step 4: Simplify right side
    387,781.80x = 87,708,438,194.63
  5. Step 5: Solve for x
    x = 87,708,438,194.63/387,781.80
  6. Step 6: Final answer
    x = 226,179.87

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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.