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Finding the Fourth Proportional to 304,208.72, 456,355.96 and 93,863.76

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Solution

The fourth proportional to 304,208.72, 456,355.96 and 93,863.76 is: 140,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,208.72 : 456,355.96 = 93,863.76 : x
  2. Step 2: Convert to fraction form
    304,208.72/456,355.96 = 93,863.76/x
  3. Step 3: Cross multiply
    304,208.72x = 456,355.96 × 93,863.76
  4. Step 4: Simplify right side
    304,208.72x = 42,835,286,304.01
  5. Step 5: Solve for x
    x = 42,835,286,304.01/304,208.72
  6. Step 6: Final answer
    x = 140,808.87

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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.