Home / 387,535.20-581,336.56-107,052.72

Finding the Fourth Proportional to 387,535.20, 581,336.56 and 107,052.72

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Solution

The fourth proportional to 387,535.20, 581,336.56 and 107,052.72 is: 160,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,535.20 : 581,336.56 = 107,052.72 : x
  2. Step 2: Convert to fraction form
    387,535.20/581,336.56 = 107,052.72/x
  3. Step 3: Cross multiply
    387,535.20x = 581,336.56 × 107,052.72
  4. Step 4: Simplify right side
    387,535.20x = 62,233,659,983.44
  5. Step 5: Solve for x
    x = 62,233,659,983.44/387,535.20
  6. Step 6: Final answer
    x = 160,588.41

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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.