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Finding the Fourth Proportional to 169,714.32, 254,573.81 and 43,355.61

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Solution

The fourth proportional to 169,714.32, 254,573.81 and 43,355.61 is: 65,034.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,714.32 : 254,573.81 = 43,355.61 : x
  2. Step 2: Convert to fraction form
    169,714.32/254,573.81 = 43,355.61/x
  3. Step 3: Cross multiply
    169,714.32x = 254,573.81 × 43,355.61
  4. Step 4: Simplify right side
    169,714.32x = 11,037,202,605.80
  5. Step 5: Solve for x
    x = 11,037,202,605.80/169,714.32
  6. Step 6: Final answer
    x = 65,034.01

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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.