Home / 330,845.20-496,332.60-141,305.20

Finding the Fourth Proportional to 330,845.20, 496,332.60 and 141,305.20

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Solution

The fourth proportional to 330,845.20, 496,332.60 and 141,305.20 is: 211,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,845.20 : 496,332.60 = 141,305.20 : x
  2. Step 2: Convert to fraction form
    330,845.20/496,332.60 = 141,305.20/x
  3. Step 3: Cross multiply
    330,845.20x = 496,332.60 × 141,305.20
  4. Step 4: Simplify right side
    330,845.20x = 70,134,377,309.52
  5. Step 5: Solve for x
    x = 70,134,377,309.52/330,845.20
  6. Step 6: Final answer
    x = 211,985.48

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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.