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Finding the Fourth Proportional to 218,221.59, 301,100.66 and 127,560.02

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Solution

The fourth proportional to 218,221.59, 301,100.66 and 127,560.02 is: 176,006.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,221.59 : 301,100.66 = 127,560.02 : x
  2. Step 2: Convert to fraction form
    218,221.59/301,100.66 = 127,560.02/x
  3. Step 3: Cross multiply
    218,221.59x = 301,100.66 × 127,560.02
  4. Step 4: Simplify right side
    218,221.59x = 38,408,404,068.31
  5. Step 5: Solve for x
    x = 38,408,404,068.31/218,221.59
  6. Step 6: Final answer
    x = 176,006.43

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1.5x scale

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.