Home / 397,152.27-548,073.77-215,864.61

Finding the Fourth Proportional to 397,152.27, 548,073.77 and 215,864.61

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Solution

The fourth proportional to 397,152.27, 548,073.77 and 215,864.61 is: 297,895.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,152.27 : 548,073.77 = 215,864.61 : x
  2. Step 2: Convert to fraction form
    397,152.27/548,073.77 = 215,864.61/x
  3. Step 3: Cross multiply
    397,152.27x = 548,073.77 × 215,864.61
  4. Step 4: Simplify right side
    397,152.27x = 118,309,729,532.96
  5. Step 5: Solve for x
    x = 118,309,729,532.96/397,152.27
  6. Step 6: Final answer
    x = 297,895.14

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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.