Home / 276,811.52-381,999.88-149,487.10

Finding the Fourth Proportional to 276,811.52, 381,999.88 and 149,487.10

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Solution

The fourth proportional to 276,811.52, 381,999.88 and 149,487.10 is: 206,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,811.52 : 381,999.88 = 149,487.10 : x
  2. Step 2: Convert to fraction form
    276,811.52/381,999.88 = 149,487.10/x
  3. Step 3: Cross multiply
    276,811.52x = 381,999.88 × 149,487.10
  4. Step 4: Simplify right side
    276,811.52x = 57,104,054,261.55
  5. Step 5: Solve for x
    x = 57,104,054,261.55/276,811.52
  6. Step 6: Final answer
    x = 206,292.19

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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.