Home / 352,724.61-486,493.25-245,240.85

Finding the Fourth Proportional to 352,724.61, 486,493.25 and 245,240.85

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Solution

The fourth proportional to 352,724.61, 486,493.25 and 245,240.85 is: 338,246.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,724.61 : 486,493.25 = 245,240.85 : x
  2. Step 2: Convert to fraction form
    352,724.61/486,493.25 = 245,240.85/x
  3. Step 3: Cross multiply
    352,724.61x = 486,493.25 × 245,240.85
  4. Step 4: Simplify right side
    352,724.61x = 119,308,016,923.06
  5. Step 5: Solve for x
    x = 119,308,016,923.06/352,724.61
  6. Step 6: Final answer
    x = 338,246.93

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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.