Home / 387,716.80-581,337.06-150,783.43

Finding the Fourth Proportional to 387,716.80, 581,337.06 and 150,783.43

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Solution

The fourth proportional to 387,716.80, 581,337.06 and 150,783.43 is: 226,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,716.80 : 581,337.06 = 150,783.43 : x
  2. Step 2: Convert to fraction form
    387,716.80/581,337.06 = 150,783.43/x
  3. Step 3: Cross multiply
    387,716.80x = 581,337.06 × 150,783.43
  4. Step 4: Simplify right side
    387,716.80x = 87,655,995,892.92
  5. Step 5: Solve for x
    x = 87,655,995,892.92/387,716.80
  6. Step 6: Final answer
    x = 226,082.53

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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.