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Finding the Fourth Proportional to 169,647.86, 254,480.56 and 43,289.22

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Solution

The fourth proportional to 169,647.86, 254,480.56 and 43,289.22 is: 64,936.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,647.86 : 254,480.56 = 43,289.22 : x
  2. Step 2: Convert to fraction form
    169,647.86/254,480.56 = 43,289.22/x
  3. Step 3: Cross multiply
    169,647.86x = 254,480.56 × 43,289.22
  4. Step 4: Simplify right side
    169,647.86x = 11,016,264,947.56
  5. Step 5: Solve for x
    x = 11,016,264,947.56/169,647.86
  6. Step 6: Final answer
    x = 64,936.07

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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.