Home / 345,522.39-518,434.17-121,043.85

Finding the Fourth Proportional to 345,522.39, 518,434.17 and 121,043.85

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Solution

The fourth proportional to 345,522.39, 518,434.17 and 121,043.85 is: 181,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,522.39 : 518,434.17 = 121,043.85 : x
  2. Step 2: Convert to fraction form
    345,522.39/518,434.17 = 121,043.85/x
  3. Step 3: Cross multiply
    345,522.39x = 518,434.17 × 121,043.85
  4. Step 4: Simplify right side
    345,522.39x = 62,753,267,908.35
  5. Step 5: Solve for x
    x = 62,753,267,908.35/345,522.39
  6. Step 6: Final answer
    x = 181,618.53

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1.5x scale

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.