Home / 387,747.80-581,383.56-150,814.34

Finding the Fourth Proportional to 387,747.80, 581,383.56 and 150,814.34

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Solution

The fourth proportional to 387,747.80, 581,383.56 and 150,814.34 is: 226,128.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,747.80 : 581,383.56 = 150,814.34 : x
  2. Step 2: Convert to fraction form
    387,747.80/581,383.56 = 150,814.34/x
  3. Step 3: Cross multiply
    387,747.80x = 581,383.56 × 150,814.34
  4. Step 4: Simplify right side
    387,747.80x = 87,680,977,888.25
  5. Step 5: Solve for x
    x = 87,680,977,888.25/387,747.80
  6. Step 6: Final answer
    x = 226,128.89

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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.