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Finding the Fourth Proportional to 65,244.80, 97,857.60 and 18,502.40

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Solution

The fourth proportional to 65,244.80, 97,857.60 and 18,502.40 is: 27,750.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,244.80 : 97,857.60 = 18,502.40 : x
  2. Step 2: Convert to fraction form
    65,244.80/97,857.60 = 18,502.40/x
  3. Step 3: Cross multiply
    65,244.80x = 97,857.60 × 18,502.40
  4. Step 4: Simplify right side
    65,244.80x = 1,810,600,458.24
  5. Step 5: Solve for x
    x = 1,810,600,458.24/65,244.80
  6. Step 6: Final answer
    x = 27,750.88

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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.