Home / 459,422.18-633,909.70-268,398.66

Finding the Fourth Proportional to 459,422.18, 633,909.70 and 268,398.66

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Solution

The fourth proportional to 459,422.18, 633,909.70 and 268,398.66 is: 370,335.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,422.18 : 633,909.70 = 268,398.66 : x
  2. Step 2: Convert to fraction form
    459,422.18/633,909.70 = 268,398.66/x
  3. Step 3: Cross multiply
    459,422.18x = 633,909.70 × 268,398.66
  4. Step 4: Simplify right side
    459,422.18x = 170,140,515,243.92
  5. Step 5: Solve for x
    x = 170,140,515,243.92/459,422.18
  6. Step 6: Final answer
    x = 370,335.88

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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.