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Finding the Fourth Proportional to 169,620.48, 254,526.30 and 156,236.04

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Solution

The fourth proportional to 169,620.48, 254,526.30 and 156,236.04 is: 234,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,620.48 : 254,526.30 = 156,236.04 : x
  2. Step 2: Convert to fraction form
    169,620.48/254,526.30 = 156,236.04/x
  3. Step 3: Cross multiply
    169,620.48x = 254,526.30 × 156,236.04
  4. Step 4: Simplify right side
    169,620.48x = 39,766,181,187.85
  5. Step 5: Solve for x
    x = 39,766,181,187.85/169,620.48
  6. Step 6: Final answer
    x = 234,442.10

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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.