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Finding the Fourth Proportional to 154,577.60, 231,866.40 and 43,769.60

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Solution

The fourth proportional to 154,577.60, 231,866.40 and 43,769.60 is: 65,654.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,577.60 : 231,866.40 = 43,769.60 : x
  2. Step 2: Convert to fraction form
    154,577.60/231,866.40 = 43,769.60/x
  3. Step 3: Cross multiply
    154,577.60x = 231,866.40 × 43,769.60
  4. Step 4: Simplify right side
    154,577.60x = 10,148,699,581.44
  5. Step 5: Solve for x
    x = 10,148,699,581.44/154,577.60
  6. Step 6: Final answer
    x = 65,654.40

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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.