Home / 296,005.08-408,535.25-220,028.70

Finding the Fourth Proportional to 296,005.08, 408,535.25 and 220,028.70

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Solution

The fourth proportional to 296,005.08, 408,535.25 and 220,028.70 is: 303,675.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,005.08 : 408,535.25 = 220,028.70 : x
  2. Step 2: Convert to fraction form
    296,005.08/408,535.25 = 220,028.70/x
  3. Step 3: Cross multiply
    296,005.08x = 408,535.25 × 220,028.70
  4. Step 4: Simplify right side
    296,005.08x = 89,889,479,961.68
  5. Step 5: Solve for x
    x = 89,889,479,961.68/296,005.08
  6. Step 6: Final answer
    x = 303,675.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.