Home / 276,915.27-382,270.65-162,177.96

Finding the Fourth Proportional to 276,915.27, 382,270.65 and 162,177.96

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Solution

The fourth proportional to 276,915.27, 382,270.65 and 162,177.96 is: 223,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,915.27 : 382,270.65 = 162,177.96 : x
  2. Step 2: Convert to fraction form
    276,915.27/382,270.65 = 162,177.96/x
  3. Step 3: Cross multiply
    276,915.27x = 382,270.65 × 162,177.96
  4. Step 4: Simplify right side
    276,915.27x = 61,995,875,010.22
  5. Step 5: Solve for x
    x = 61,995,875,010.22/276,915.27
  6. Step 6: Final answer
    x = 223,880.30

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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.