Home / 386,079.20-579,191.52-146,264.92

Finding the Fourth Proportional to 386,079.20, 579,191.52 and 146,264.92

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Solution

The fourth proportional to 386,079.20, 579,191.52 and 146,264.92 is: 219,424.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,079.20 : 579,191.52 = 146,264.92 : x
  2. Step 2: Convert to fraction form
    386,079.20/579,191.52 = 146,264.92/x
  3. Step 3: Cross multiply
    386,079.20x = 579,191.52 × 146,264.92
  4. Step 4: Simplify right side
    386,079.20x = 84,715,401,337.48
  5. Step 5: Solve for x
    x = 84,715,401,337.48/386,079.20
  6. Step 6: Final answer
    x = 219,424.93

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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.