Home / 425,482.20-587,157.39-231,891.53

Finding the Fourth Proportional to 425,482.20, 587,157.39 and 231,891.53

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Solution

The fourth proportional to 425,482.20, 587,157.39 and 231,891.53 is: 320,005.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,482.20 : 587,157.39 = 231,891.53 : x
  2. Step 2: Convert to fraction form
    425,482.20/587,157.39 = 231,891.53/x
  3. Step 3: Cross multiply
    425,482.20x = 587,157.39 × 231,891.53
  4. Step 4: Simplify right side
    425,482.20x = 136,156,822,582.12
  5. Step 5: Solve for x
    x = 136,156,822,582.12/425,482.20
  6. Step 6: Final answer
    x = 320,005.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.