Home / 276,881.51-382,096.64-149,557.10

Finding the Fourth Proportional to 276,881.51, 382,096.64 and 149,557.10

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Solution

The fourth proportional to 276,881.51, 382,096.64 and 149,557.10 is: 206,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,881.51 : 382,096.64 = 149,557.10 : x
  2. Step 2: Convert to fraction form
    276,881.51/382,096.64 = 149,557.10/x
  3. Step 3: Cross multiply
    276,881.51x = 382,096.64 × 149,557.10
  4. Step 4: Simplify right side
    276,881.51x = 57,145,262,739.88
  5. Step 5: Solve for x
    x = 57,145,262,739.88/276,881.51
  6. Step 6: Final answer
    x = 206,388.88

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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.