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Finding the Fourth Proportional to 165,358.38, 247,877.19 and 65,485.38

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Solution

The fourth proportional to 165,358.38, 247,877.19 and 65,485.38 is: 98,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,358.38 : 247,877.19 = 65,485.38 : x
  2. Step 2: Convert to fraction form
    165,358.38/247,877.19 = 65,485.38/x
  3. Step 3: Cross multiply
    165,358.38x = 247,877.19 × 65,485.38
  4. Step 4: Simplify right side
    165,358.38x = 16,232,331,980.48
  5. Step 5: Solve for x
    x = 16,232,331,980.48/165,358.38
  6. Step 6: Final answer
    x = 98,164.56

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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.