Home / 276,985.38-382,240.08-149,661.30

Finding the Fourth Proportional to 276,985.38, 382,240.08 and 149,661.30

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Solution

The fourth proportional to 276,985.38, 382,240.08 and 149,661.30 is: 206,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,985.38 : 382,240.08 = 149,661.30 : x
  2. Step 2: Convert to fraction form
    276,985.38/382,240.08 = 149,661.30/x
  3. Step 3: Cross multiply
    276,985.38x = 382,240.08 × 149,661.30
  4. Step 4: Simplify right side
    276,985.38x = 57,206,547,284.90
  5. Step 5: Solve for x
    x = 57,206,547,284.90/276,985.38
  6. Step 6: Final answer
    x = 206,532.73

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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.