Home / 345,104.02-517,708.26-108,424.42

Finding the Fourth Proportional to 345,104.02, 517,708.26 and 108,424.42

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Solution

The fourth proportional to 345,104.02, 517,708.26 and 108,424.42 is: 162,653.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,104.02 : 517,708.26 = 108,424.42 : x
  2. Step 2: Convert to fraction form
    345,104.02/517,708.26 = 108,424.42/x
  3. Step 3: Cross multiply
    345,104.02x = 517,708.26 × 108,424.42
  4. Step 4: Simplify right side
    345,104.02x = 56,132,217,819.71
  5. Step 5: Solve for x
    x = 56,132,217,819.71/345,104.02
  6. Step 6: Final answer
    x = 162,653.04

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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.