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Finding the Fourth Proportional to 169,905.40, 254,857.20 and 43,545.40

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Solution

The fourth proportional to 169,905.40, 254,857.20 and 43,545.40 is: 65,317.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,905.40 : 254,857.20 = 43,545.40 : x
  2. Step 2: Convert to fraction form
    169,905.40/254,857.20 = 43,545.40/x
  3. Step 3: Cross multiply
    169,905.40x = 254,857.20 × 43,545.40
  4. Step 4: Simplify right side
    169,905.40x = 11,097,858,716.88
  5. Step 5: Solve for x
    x = 11,097,858,716.88/169,905.40
  6. Step 6: Final answer
    x = 65,317.87

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1.5x scale

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.