Home / 276,941.40-382,179.48-149,617

Finding the Fourth Proportional to 276,941.40, 382,179.48 and 149,617

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Solution

The fourth proportional to 276,941.40, 382,179.48 and 149,617 is: 206,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,941.40 : 382,179.48 = 149,617 : x
  2. Step 2: Convert to fraction form
    276,941.40/382,179.48 = 149,617/x
  3. Step 3: Cross multiply
    276,941.40x = 382,179.48 × 149,617
  4. Step 4: Simplify right side
    276,941.40x = 57,180,547,259.16
  5. Step 5: Solve for x
    x = 57,180,547,259.16/276,941.40
  6. Step 6: Final answer
    x = 206,471.65

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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.