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Finding the Fourth Proportional to 442,080.60, 610,071.02 and 240,876.60

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Solution

The fourth proportional to 442,080.60, 610,071.02 and 240,876.60 is: 332,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,080.60 : 610,071.02 = 240,876.60 : x
  2. Step 2: Convert to fraction form
    442,080.60/610,071.02 = 240,876.60/x
  3. Step 3: Cross multiply
    442,080.60x = 610,071.02 × 240,876.60
  4. Step 4: Simplify right side
    442,080.60x = 146,951,833,056.13
  5. Step 5: Solve for x
    x = 146,951,833,056.13/442,080.60
  6. Step 6: Final answer
    x = 332,409.59

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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.