Home / 513,243.48-769,815.69-158,162.16

Finding the Fourth Proportional to 513,243.48, 769,815.69 and 158,162.16

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Solution

The fourth proportional to 513,243.48, 769,815.69 and 158,162.16 is: 237,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,243.48 : 769,815.69 = 158,162.16 : x
  2. Step 2: Convert to fraction form
    513,243.48/769,815.69 = 158,162.16/x
  3. Step 3: Cross multiply
    513,243.48x = 769,815.69 × 158,162.16
  4. Step 4: Simplify right side
    513,243.48x = 121,755,712,332.29
  5. Step 5: Solve for x
    x = 121,755,712,332.29/513,243.48
  6. Step 6: Final answer
    x = 237,227.98

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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.