Home / 331,139.12-496,583.40-141,591.56

Finding the Fourth Proportional to 331,139.12, 496,583.40 and 141,591.56

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Solution

The fourth proportional to 331,139.12, 496,583.40 and 141,591.56 is: 212,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,139.12 : 496,583.40 = 141,591.56 : x
  2. Step 2: Convert to fraction form
    331,139.12/496,583.40 = 141,591.56/x
  3. Step 3: Cross multiply
    331,139.12x = 496,583.40 × 141,591.56
  4. Step 4: Simplify right side
    331,139.12x = 70,312,018,276.10
  5. Step 5: Solve for x
    x = 70,312,018,276.10/331,139.12
  6. Step 6: Final answer
    x = 212,333.77

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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.