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Finding the Fourth Proportional to 169,847.09, 254,769.72 and 43,487.09

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Solution

The fourth proportional to 169,847.09, 254,769.72 and 43,487.09 is: 65,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,847.09 : 254,769.72 = 43,487.09 : x
  2. Step 2: Convert to fraction form
    169,847.09/254,769.72 = 43,487.09/x
  3. Step 3: Cross multiply
    169,847.09x = 254,769.72 × 43,487.09
  4. Step 4: Simplify right side
    169,847.09x = 11,079,193,742.91
  5. Step 5: Solve for x
    x = 11,079,193,742.91/169,847.09
  6. Step 6: Final answer
    x = 65,230.40

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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.