Home / 276,908.19-382,144.56-156,054.57

Finding the Fourth Proportional to 276,908.19, 382,144.56 and 156,054.57

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Solution

The fourth proportional to 276,908.19, 382,144.56 and 156,054.57 is: 215,361.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,908.19 : 382,144.56 = 156,054.57 : x
  2. Step 2: Convert to fraction form
    276,908.19/382,144.56 = 156,054.57/x
  3. Step 3: Cross multiply
    276,908.19x = 382,144.56 × 156,054.57
  4. Step 4: Simplify right side
    276,908.19x = 59,635,404,988.64
  5. Step 5: Solve for x
    x = 59,635,404,988.64/276,908.19
  6. Step 6: Final answer
    x = 215,361.65

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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.