Home / 276,820.37-382,012.09-149,495.95

Finding the Fourth Proportional to 276,820.37, 382,012.09 and 149,495.95

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Solution

The fourth proportional to 276,820.37, 382,012.09 and 149,495.95 is: 206,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,820.37 : 382,012.09 = 149,495.95 : x
  2. Step 2: Convert to fraction form
    276,820.37/382,012.09 = 149,495.95/x
  3. Step 3: Cross multiply
    276,820.37x = 382,012.09 × 149,495.95
  4. Step 4: Simplify right side
    276,820.37x = 57,109,260,306.04
  5. Step 5: Solve for x
    x = 57,109,260,306.04/276,820.37
  6. Step 6: Final answer
    x = 206,304.40

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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.