Home / 392,446.85-541,569.75-220,366.18

Finding the Fourth Proportional to 392,446.85, 541,569.75 and 220,366.18

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Solution

The fourth proportional to 392,446.85, 541,569.75 and 220,366.18 is: 304,101.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,446.85 : 541,569.75 = 220,366.18 : x
  2. Step 2: Convert to fraction form
    392,446.85/541,569.75 = 220,366.18/x
  3. Step 3: Cross multiply
    392,446.85x = 541,569.75 × 220,366.18
  4. Step 4: Simplify right side
    392,446.85x = 119,343,654,303.21
  5. Step 5: Solve for x
    x = 119,343,654,303.21/392,446.85
  6. Step 6: Final answer
    x = 304,101.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.