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Finding the Fourth Proportional to 304,310.70, 456,466.05 and 281,565.90

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Solution

The fourth proportional to 304,310.70, 456,466.05 and 281,565.90 is: 422,348.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,310.70 : 456,466.05 = 281,565.90 : x
  2. Step 2: Convert to fraction form
    304,310.70/456,466.05 = 281,565.90/x
  3. Step 3: Cross multiply
    304,310.70x = 456,466.05 × 281,565.90
  4. Step 4: Simplify right side
    304,310.70x = 128,525,274,187.70
  5. Step 5: Solve for x
    x = 128,525,274,187.70/304,310.70
  6. Step 6: Final answer
    x = 422,348.85

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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.