Home / 345,254.28-517,906.02-120,589.26

Finding the Fourth Proportional to 345,254.28, 517,906.02 and 120,589.26

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Solution

The fourth proportional to 345,254.28, 517,906.02 and 120,589.26 is: 180,892.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,254.28 : 517,906.02 = 120,589.26 : x
  2. Step 2: Convert to fraction form
    345,254.28/517,906.02 = 120,589.26/x
  3. Step 3: Cross multiply
    345,254.28x = 517,906.02 × 120,589.26
  4. Step 4: Simplify right side
    345,254.28x = 62,453,903,701.35
  5. Step 5: Solve for x
    x = 62,453,903,701.35/345,254.28
  6. Step 6: Final answer
    x = 180,892.48

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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.