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Finding the Fourth Proportional to 397,310.07, 548,270.07 and 225,225.57

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Solution

The fourth proportional to 397,310.07, 548,270.07 and 225,225.57 is: 310,801.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,310.07 : 548,270.07 = 225,225.57 : x
  2. Step 2: Convert to fraction form
    397,310.07/548,270.07 = 225,225.57/x
  3. Step 3: Cross multiply
    397,310.07x = 548,270.07 × 225,225.57
  4. Step 4: Simplify right side
    397,310.07x = 123,484,439,029.69
  5. Step 5: Solve for x
    x = 123,484,439,029.69/397,310.07
  6. Step 6: Final answer
    x = 310,801.18

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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.