Home / 276,888.03-382,105.42-149,563.63

Finding the Fourth Proportional to 276,888.03, 382,105.42 and 149,563.63

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Solution

The fourth proportional to 276,888.03, 382,105.42 and 149,563.63 is: 206,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,888.03 : 382,105.42 = 149,563.63 : x
  2. Step 2: Convert to fraction form
    276,888.03/382,105.42 = 149,563.63/x
  3. Step 3: Cross multiply
    276,888.03x = 382,105.42 × 149,563.63
  4. Step 4: Simplify right side
    276,888.03x = 57,149,072,121.26
  5. Step 5: Solve for x
    x = 57,149,072,121.26/276,888.03
  6. Step 6: Final answer
    x = 206,397.77

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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.