Home / 330,861.20-496,356.60-141,321.20

Finding the Fourth Proportional to 330,861.20, 496,356.60 and 141,321.20

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Solution

The fourth proportional to 330,861.20, 496,356.60 and 141,321.20 is: 212,009.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,861.20 : 496,356.60 = 141,321.20 : x
  2. Step 2: Convert to fraction form
    330,861.20/496,356.60 = 141,321.20/x
  3. Step 3: Cross multiply
    330,861.20x = 496,356.60 × 141,321.20
  4. Step 4: Simplify right side
    330,861.20x = 70,145,710,339.92
  5. Step 5: Solve for x
    x = 70,145,710,339.92/330,861.20
  6. Step 6: Final answer
    x = 212,009.48

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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.