Home / 387,816.04-581,127.90-229,729.96

Finding the Fourth Proportional to 387,816.04, 581,127.90 and 229,729.96

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Solution

The fourth proportional to 387,816.04, 581,127.90 and 229,729.96 is: 344,241.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,816.04 : 581,127.90 = 229,729.96 : x
  2. Step 2: Convert to fraction form
    387,816.04/581,127.90 = 229,729.96/x
  3. Step 3: Cross multiply
    387,816.04x = 581,127.90 × 229,729.96
  4. Step 4: Simplify right side
    387,816.04x = 133,502,489,221.88
  5. Step 5: Solve for x
    x = 133,502,489,221.88/387,816.04
  6. Step 6: Final answer
    x = 344,241.79

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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.