Home / 330,927.04-496,381.60-81,611.20

Finding the Fourth Proportional to 330,927.04, 496,381.60 and 81,611.20

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Solution

The fourth proportional to 330,927.04, 496,381.60 and 81,611.20 is: 122,414.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,927.04 : 496,381.60 = 81,611.20 : x
  2. Step 2: Convert to fraction form
    330,927.04/496,381.60 = 81,611.20/x
  3. Step 3: Cross multiply
    330,927.04x = 496,381.60 × 81,611.20
  4. Step 4: Simplify right side
    330,927.04x = 40,510,298,033.92
  5. Step 5: Solve for x
    x = 40,510,298,033.92/330,927.04
  6. Step 6: Final answer
    x = 122,414.59

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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.