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Finding the Fourth Proportional to 171,697.60, 257,546.40 and 45,337.60

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Solution

The fourth proportional to 171,697.60, 257,546.40 and 45,337.60 is: 68,006.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,697.60 : 257,546.40 = 45,337.60 : x
  2. Step 2: Convert to fraction form
    171,697.60/257,546.40 = 45,337.60/x
  3. Step 3: Cross multiply
    171,697.60x = 257,546.40 × 45,337.60
  4. Step 4: Simplify right side
    171,697.60x = 11,676,535,664.64
  5. Step 5: Solve for x
    x = 11,676,535,664.64/171,697.60
  6. Step 6: Final answer
    x = 68,006.40

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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.