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Finding the Fourth Proportional to 276,600.96, 381,710.88 and 157,368.96

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Solution

The fourth proportional to 276,600.96, 381,710.88 and 157,368.96 is: 217,170.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,600.96 : 381,710.88 = 157,368.96 : x
  2. Step 2: Convert to fraction form
    276,600.96/381,710.88 = 157,368.96/x
  3. Step 3: Cross multiply
    276,600.96x = 381,710.88 × 157,368.96
  4. Step 4: Simplify right side
    276,600.96x = 60,069,444,206.28
  5. Step 5: Solve for x
    x = 60,069,444,206.28/276,600.96
  6. Step 6: Final answer
    x = 217,170.05

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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.