Home / 276,453.03-381,517.46-155,602.14

Finding the Fourth Proportional to 276,453.03, 381,517.46 and 155,602.14

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Solution

The fourth proportional to 276,453.03, 381,517.46 and 155,602.14 is: 214,737.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,453.03 : 381,517.46 = 155,602.14 : x
  2. Step 2: Convert to fraction form
    276,453.03/381,517.46 = 155,602.14/x
  3. Step 3: Cross multiply
    276,453.03x = 381,517.46 × 155,602.14
  4. Step 4: Simplify right side
    276,453.03x = 59,364,932,445.35
  5. Step 5: Solve for x
    x = 59,364,932,445.35/276,453.03
  6. Step 6: Final answer
    x = 214,737.86

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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.