Home / 276,456.72-381,161.52-180,811.92

Finding the Fourth Proportional to 276,456.72, 381,161.52 and 180,811.92

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Solution

The fourth proportional to 276,456.72, 381,161.52 and 180,811.92 is: 249,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,456.72 : 381,161.52 = 180,811.92 : x
  2. Step 2: Convert to fraction form
    276,456.72/381,161.52 = 180,811.92/x
  3. Step 3: Cross multiply
    276,456.72x = 381,161.52 × 180,811.92
  4. Step 4: Simplify right side
    276,456.72x = 68,918,546,261.32
  5. Step 5: Solve for x
    x = 68,918,546,261.32/276,456.72
  6. Step 6: Final answer
    x = 249,292.35

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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.