Home / 485,220.97-669,596.01-270,356.41

Finding the Fourth Proportional to 485,220.97, 669,596.01 and 270,356.41

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Solution

The fourth proportional to 485,220.97, 669,596.01 and 270,356.41 is: 373,086.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,220.97 : 669,596.01 = 270,356.41 : x
  2. Step 2: Convert to fraction form
    485,220.97/669,596.01 = 270,356.41/x
  3. Step 3: Cross multiply
    485,220.97x = 669,596.01 × 270,356.41
  4. Step 4: Simplify right side
    485,220.97x = 181,029,573,413.92
  5. Step 5: Solve for x
    x = 181,029,573,413.92/485,220.97
  6. Step 6: Final answer
    x = 373,086.87

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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.