Home / 331,604.20-497,600.70-121,263.40

Finding the Fourth Proportional to 331,604.20, 497,600.70 and 121,263.40

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Solution

The fourth proportional to 331,604.20, 497,600.70 and 121,263.40 is: 181,966.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,604.20 : 497,600.70 = 121,263.40 : x
  2. Step 2: Convert to fraction form
    331,604.20/497,600.70 = 121,263.40/x
  3. Step 3: Cross multiply
    331,604.20x = 497,600.70 × 121,263.40
  4. Step 4: Simplify right side
    331,604.20x = 60,340,752,724.38
  5. Step 5: Solve for x
    x = 60,340,752,724.38/331,604.20
  6. Step 6: Final answer
    x = 181,966.19

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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.