Home / 276,916.48-382,144.26-149,591.68

Finding the Fourth Proportional to 276,916.48, 382,144.26 and 149,591.68

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Solution

The fourth proportional to 276,916.48, 382,144.26 and 149,591.68 is: 206,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,916.48 : 382,144.26 = 149,591.68 : x
  2. Step 2: Convert to fraction form
    276,916.48/382,144.26 = 149,591.68/x
  3. Step 3: Cross multiply
    276,916.48x = 382,144.26 × 149,591.68
  4. Step 4: Simplify right side
    276,916.48x = 57,165,601,855.76
  5. Step 5: Solve for x
    x = 57,165,601,855.76/276,916.48
  6. Step 6: Final answer
    x = 206,436.26

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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.