Home / 245,772.20-368,658.30-79,560.20

Finding the Fourth Proportional to 245,772.20, 368,658.30 and 79,560.20

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Solution

The fourth proportional to 245,772.20, 368,658.30 and 79,560.20 is: 119,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,772.20 : 368,658.30 = 79,560.20 : x
  2. Step 2: Convert to fraction form
    245,772.20/368,658.30 = 79,560.20/x
  3. Step 3: Cross multiply
    245,772.20x = 368,658.30 × 79,560.20
  4. Step 4: Simplify right side
    245,772.20x = 29,330,528,079.66
  5. Step 5: Solve for x
    x = 29,330,528,079.66/245,772.20
  6. Step 6: Final answer
    x = 119,340.30

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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.