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Finding the Fourth Proportional to 169,351.40, 254,014.11 and 62,685.28

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Solution

The fourth proportional to 169,351.40, 254,014.11 and 62,685.28 is: 94,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,351.40 : 254,014.11 = 62,685.28 : x
  2. Step 2: Convert to fraction form
    169,351.40/254,014.11 = 62,685.28/x
  3. Step 3: Cross multiply
    169,351.40x = 254,014.11 × 62,685.28
  4. Step 4: Simplify right side
    169,351.40x = 15,922,945,609.30
  5. Step 5: Solve for x
    x = 15,922,945,609.30/169,351.40
  6. Step 6: Final answer
    x = 94,023.11

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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.