Home / 330,799.47-496,363.23-131,115.45

Finding the Fourth Proportional to 330,799.47, 496,363.23 and 131,115.45

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Solution

The fourth proportional to 330,799.47, 496,363.23 and 131,115.45 is: 196,738.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,799.47 : 496,363.23 = 131,115.45 : x
  2. Step 2: Convert to fraction form
    330,799.47/496,363.23 = 131,115.45/x
  3. Step 3: Cross multiply
    330,799.47x = 496,363.23 × 131,115.45
  4. Step 4: Simplify right side
    330,799.47x = 65,080,888,264.90
  5. Step 5: Solve for x
    x = 65,080,888,264.90/330,799.47
  6. Step 6: Final answer
    x = 196,738.19

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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.