Home / 276,883.51-382,099.40-149,559.10

Finding the Fourth Proportional to 276,883.51, 382,099.40 and 149,559.10

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Solution

The fourth proportional to 276,883.51, 382,099.40 and 149,559.10 is: 206,391.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,883.51 : 382,099.40 = 149,559.10 : x
  2. Step 2: Convert to fraction form
    276,883.51/382,099.40 = 149,559.10/x
  3. Step 3: Cross multiply
    276,883.51x = 382,099.40 × 149,559.10
  4. Step 4: Simplify right side
    276,883.51x = 57,146,442,374.54
  5. Step 5: Solve for x
    x = 57,146,442,374.54/276,883.51
  6. Step 6: Final answer
    x = 206,391.64

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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.