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Finding the Fourth Proportional to 304,299.60, 456,449.40 and 126,933.90

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Solution

The fourth proportional to 304,299.60, 456,449.40 and 126,933.90 is: 190,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,299.60 : 456,449.40 = 126,933.90 : x
  2. Step 2: Convert to fraction form
    304,299.60/456,449.40 = 126,933.90/x
  3. Step 3: Cross multiply
    304,299.60x = 456,449.40 × 126,933.90
  4. Step 4: Simplify right side
    304,299.60x = 57,938,902,494.66
  5. Step 5: Solve for x
    x = 57,938,902,494.66/304,299.60
  6. Step 6: Final answer
    x = 190,400.85

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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.