Home / 344,959.16-517,441.03-120,318.75

Finding the Fourth Proportional to 344,959.16, 517,441.03 and 120,318.75

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Solution

The fourth proportional to 344,959.16, 517,441.03 and 120,318.75 is: 180,478.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,959.16 : 517,441.03 = 120,318.75 : x
  2. Step 2: Convert to fraction form
    344,959.16/517,441.03 = 120,318.75/x
  3. Step 3: Cross multiply
    344,959.16x = 517,441.03 × 120,318.75
  4. Step 4: Simplify right side
    344,959.16x = 62,257,857,627.52
  5. Step 5: Solve for x
    x = 62,257,857,627.52/344,959.16
  6. Step 6: Final answer
    x = 180,478.93

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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.