Home / 330,838.93-496,422.57-131,154.90

Finding the Fourth Proportional to 330,838.93, 496,422.57 and 131,154.90

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Solution

The fourth proportional to 330,838.93, 496,422.57 and 131,154.90 is: 196,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,838.93 : 496,422.57 = 131,154.90 : x
  2. Step 2: Convert to fraction form
    330,838.93/496,422.57 = 131,154.90/x
  3. Step 3: Cross multiply
    330,838.93x = 496,422.57 × 131,154.90
  4. Step 4: Simplify right side
    330,838.93x = 65,108,251,156.34
  5. Step 5: Solve for x
    x = 65,108,251,156.34/330,838.93
  6. Step 6: Final answer
    x = 196,797.43

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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.