Home / 218,422.13-301,363.61-127,800.35

Finding the Fourth Proportional to 218,422.13, 301,363.61 and 127,800.35

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Solution

The fourth proportional to 218,422.13, 301,363.61 and 127,800.35 is: 176,330.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,422.13 : 301,363.61 = 127,800.35 : x
  2. Step 2: Convert to fraction form
    218,422.13/301,363.61 = 127,800.35/x
  3. Step 3: Cross multiply
    218,422.13x = 301,363.61 × 127,800.35
  4. Step 4: Simplify right side
    218,422.13x = 38,514,372,689.44
  5. Step 5: Solve for x
    x = 38,514,372,689.44/218,422.13
  6. Step 6: Final answer
    x = 176,330.00

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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.