Home / 330,868.97-496,377.26-120,506.91

Finding the Fourth Proportional to 330,868.97, 496,377.26 and 120,506.91

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Solution

The fourth proportional to 330,868.97, 496,377.26 and 120,506.91 is: 180,787.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,868.97 : 496,377.26 = 120,506.91 : x
  2. Step 2: Convert to fraction form
    330,868.97/496,377.26 = 120,506.91/x
  3. Step 3: Cross multiply
    330,868.97x = 496,377.26 × 120,506.91
  4. Step 4: Simplify right side
    330,868.97x = 59,816,888,462.67
  5. Step 5: Solve for x
    x = 59,816,888,462.67/330,868.97
  6. Step 6: Final answer
    x = 180,787.24

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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.