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Finding the Fourth Proportional to 304,083.60, 456,082.20 and 93,742.80

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Solution

The fourth proportional to 304,083.60, 456,082.20 and 93,742.80 is: 140,600.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,083.60 : 456,082.20 = 93,742.80 : x
  2. Step 2: Convert to fraction form
    304,083.60/456,082.20 = 93,742.80/x
  3. Step 3: Cross multiply
    304,083.60x = 456,082.20 × 93,742.80
  4. Step 4: Simplify right side
    304,083.60x = 42,754,422,458.16
  5. Step 5: Solve for x
    x = 42,754,422,458.16/304,083.60
  6. Step 6: Final answer
    x = 140,600.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.