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Finding the Fourth Proportional to 220,201.58, 303,876.51 and 119,600.30

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Solution

The fourth proportional to 220,201.58, 303,876.51 and 119,600.30 is: 165,047.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,201.58 : 303,876.51 = 119,600.30 : x
  2. Step 2: Convert to fraction form
    220,201.58/303,876.51 = 119,600.30/x
  3. Step 3: Cross multiply
    220,201.58x = 303,876.51 × 119,600.30
  4. Step 4: Simplify right side
    220,201.58x = 36,343,721,758.95
  5. Step 5: Solve for x
    x = 36,343,721,758.95/220,201.58
  6. Step 6: Final answer
    x = 165,047.51

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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.