Home / 513,000.05-769,582.76-158,013.90

Finding the Fourth Proportional to 513,000.05, 769,582.76 and 158,013.90

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Solution

The fourth proportional to 513,000.05, 769,582.76 and 158,013.90 is: 237,046.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,000.05 : 769,582.76 = 158,013.90 : x
  2. Step 2: Convert to fraction form
    513,000.05/769,582.76 = 158,013.90/x
  3. Step 3: Cross multiply
    513,000.05x = 769,582.76 × 158,013.90
  4. Step 4: Simplify right side
    513,000.05x = 121,604,775,204.32
  5. Step 5: Solve for x
    x = 121,604,775,204.32/513,000.05
  6. Step 6: Final answer
    x = 237,046.32

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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.