Home / 276,445.41-381,513.96-155,598.27

Finding the Fourth Proportional to 276,445.41, 381,513.96 and 155,598.27

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Solution

The fourth proportional to 276,445.41, 381,513.96 and 155,598.27 is: 214,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,445.41 : 381,513.96 = 155,598.27 : x
  2. Step 2: Convert to fraction form
    276,445.41/381,513.96 = 155,598.27/x
  3. Step 3: Cross multiply
    276,445.41x = 381,513.96 × 155,598.27
  4. Step 4: Simplify right side
    276,445.41x = 59,362,912,156.85
  5. Step 5: Solve for x
    x = 59,362,912,156.85/276,445.41
  6. Step 6: Final answer
    x = 214,736.47

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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.