Home / 264,219.40-396,329.10-123,992.20

Finding the Fourth Proportional to 264,219.40, 396,329.10 and 123,992.20

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Solution

The fourth proportional to 264,219.40, 396,329.10 and 123,992.20 is: 185,988.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,219.40 : 396,329.10 = 123,992.20 : x
  2. Step 2: Convert to fraction form
    264,219.40/396,329.10 = 123,992.20/x
  3. Step 3: Cross multiply
    264,219.40x = 396,329.10 × 123,992.20
  4. Step 4: Simplify right side
    264,219.40x = 49,141,717,033.02
  5. Step 5: Solve for x
    x = 49,141,717,033.02/264,219.40
  6. Step 6: Final answer
    x = 185,988.30

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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.