Home / 345,187.08-517,839.66-158,214.60

Finding the Fourth Proportional to 345,187.08, 517,839.66 and 158,214.60

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Solution

The fourth proportional to 345,187.08, 517,839.66 and 158,214.60 is: 237,348.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,187.08 : 517,839.66 = 158,214.60 : x
  2. Step 2: Convert to fraction form
    345,187.08/517,839.66 = 158,214.60/x
  3. Step 3: Cross multiply
    345,187.08x = 517,839.66 × 158,214.60
  4. Step 4: Simplify right side
    345,187.08x = 81,929,794,671.04
  5. Step 5: Solve for x
    x = 81,929,794,671.04/345,187.08
  6. Step 6: Final answer
    x = 237,348.96

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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.