Home / 513,110.30-769,665.38-158,124.29

Finding the Fourth Proportional to 513,110.30, 769,665.38 and 158,124.29

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Solution

The fourth proportional to 513,110.30, 769,665.38 and 158,124.29 is: 237,186.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,110.30 : 769,665.38 = 158,124.29 : x
  2. Step 2: Convert to fraction form
    513,110.30/769,665.38 = 158,124.29/x
  3. Step 3: Cross multiply
    513,110.30x = 769,665.38 × 158,124.29
  4. Step 4: Simplify right side
    513,110.30x = 121,702,787,111.13
  5. Step 5: Solve for x
    x = 121,702,787,111.13/513,110.30
  6. Step 6: Final answer
    x = 237,186.41

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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.