Home / 474,149.49-654,320-270,212.55

Finding the Fourth Proportional to 474,149.49, 654,320 and 270,212.55

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Solution

The fourth proportional to 474,149.49, 654,320 and 270,212.55 is: 372,889.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,149.49 : 654,320 = 270,212.55 : x
  2. Step 2: Convert to fraction form
    474,149.49/654,320 = 270,212.55/x
  3. Step 3: Cross multiply
    474,149.49x = 654,320 × 270,212.55
  4. Step 4: Simplify right side
    474,149.49x = 176,805,475,716
  5. Step 5: Solve for x
    x = 176,805,475,716/474,149.49
  6. Step 6: Final answer
    x = 372,889.73

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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.