Home / 331,179.20-496,833.60-141,639.20

Finding the Fourth Proportional to 331,179.20, 496,833.60 and 141,639.20

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Solution

The fourth proportional to 331,179.20, 496,833.60 and 141,639.20 is: 212,486.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,179.20 : 496,833.60 = 141,639.20 : x
  2. Step 2: Convert to fraction form
    331,179.20/496,833.60 = 141,639.20/x
  3. Step 3: Cross multiply
    331,179.20x = 496,833.60 × 141,639.20
  4. Step 4: Simplify right side
    331,179.20x = 70,371,113,637.12
  5. Step 5: Solve for x
    x = 70,371,113,637.12/331,179.20
  6. Step 6: Final answer
    x = 212,486.51

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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.