Home / 247,456.45-341,490.80-134,279.20

Finding the Fourth Proportional to 247,456.45, 341,490.80 and 134,279.20

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Solution

The fourth proportional to 247,456.45, 341,490.80 and 134,279.20 is: 185,305.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,456.45 : 341,490.80 = 134,279.20 : x
  2. Step 2: Convert to fraction form
    247,456.45/341,490.80 = 134,279.20/x
  3. Step 3: Cross multiply
    247,456.45x = 341,490.80 × 134,279.20
  4. Step 4: Simplify right side
    247,456.45x = 45,855,109,052.51
  5. Step 5: Solve for x
    x = 45,855,109,052.51/247,456.45
  6. Step 6: Final answer
    x = 185,305.78

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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.