Home / 276,876.23-382,089.15-149,551.79

Finding the Fourth Proportional to 276,876.23, 382,089.15 and 149,551.79

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Solution

The fourth proportional to 276,876.23, 382,089.15 and 149,551.79 is: 206,381.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,876.23 : 382,089.15 = 149,551.79 : x
  2. Step 2: Convert to fraction form
    276,876.23/382,089.15 = 149,551.79/x
  3. Step 3: Cross multiply
    276,876.23x = 382,089.15 × 149,551.79
  4. Step 4: Simplify right side
    276,876.23x = 57,142,114,411.63
  5. Step 5: Solve for x
    x = 57,142,114,411.63/276,876.23
  6. Step 6: Final answer
    x = 206,381.44

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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.