Home / 315,276.28-472,901.19-146,738.63

Finding the Fourth Proportional to 315,276.28, 472,901.19 and 146,738.63

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Solution

The fourth proportional to 315,276.28, 472,901.19 and 146,738.63 is: 220,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,276.28 : 472,901.19 = 146,738.63 : x
  2. Step 2: Convert to fraction form
    315,276.28/472,901.19 = 146,738.63/x
  3. Step 3: Cross multiply
    315,276.28x = 472,901.19 × 146,738.63
  4. Step 4: Simplify right side
    315,276.28x = 69,392,873,377.95
  5. Step 5: Solve for x
    x = 69,392,873,377.95/315,276.28
  6. Step 6: Final answer
    x = 220,101.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.