Home / 392,986.29-588,986.42-168,082.77

Finding the Fourth Proportional to 392,986.29, 588,986.42 and 168,082.77

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Solution

The fourth proportional to 392,986.29, 588,986.42 and 168,082.77 is: 251,913.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,986.29 : 588,986.42 = 168,082.77 : x
  2. Step 2: Convert to fraction form
    392,986.29/588,986.42 = 168,082.77/x
  3. Step 3: Cross multiply
    392,986.29x = 588,986.42 × 168,082.77
  4. Step 4: Simplify right side
    392,986.29x = 98,998,468,125.57
  5. Step 5: Solve for x
    x = 98,998,468,125.57/392,986.29
  6. Step 6: Final answer
    x = 251,913.29

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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.