Home / 276,830.76-382,026.42-149,506.36

Finding the Fourth Proportional to 276,830.76, 382,026.42 and 149,506.36

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Solution

The fourth proportional to 276,830.76, 382,026.42 and 149,506.36 is: 206,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,830.76 : 382,026.42 = 149,506.36 : x
  2. Step 2: Convert to fraction form
    276,830.76/382,026.42 = 149,506.36/x
  3. Step 3: Cross multiply
    276,830.76x = 382,026.42 × 149,506.36
  4. Step 4: Simplify right side
    276,830.76x = 57,115,379,478.03
  5. Step 5: Solve for x
    x = 57,115,379,478.03/276,830.76
  6. Step 6: Final answer
    x = 206,318.76

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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.