Home / 276,813.76-382,002.99-149,489.35

Finding the Fourth Proportional to 276,813.76, 382,002.99 and 149,489.35

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Solution

The fourth proportional to 276,813.76, 382,002.99 and 149,489.35 is: 206,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,813.76 : 382,002.99 = 149,489.35 : x
  2. Step 2: Convert to fraction form
    276,813.76/382,002.99 = 149,489.35/x
  3. Step 3: Cross multiply
    276,813.76x = 382,002.99 × 149,489.35
  4. Step 4: Simplify right side
    276,813.76x = 57,105,378,673.16
  5. Step 5: Solve for x
    x = 57,105,378,673.16/276,813.76
  6. Step 6: Final answer
    x = 206,295.30

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1.5x scale

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.