Home / 276,345.90-381,403.08-174,426.84

Finding the Fourth Proportional to 276,345.90, 381,403.08 and 174,426.84

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Solution

The fourth proportional to 276,345.90, 381,403.08 and 174,426.84 is: 240,737.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,345.90 : 381,403.08 = 174,426.84 : x
  2. Step 2: Convert to fraction form
    276,345.90/381,403.08 = 174,426.84/x
  3. Step 3: Cross multiply
    276,345.90x = 381,403.08 × 174,426.84
  4. Step 4: Simplify right side
    276,345.90x = 66,526,934,010.67
  5. Step 5: Solve for x
    x = 66,526,934,010.67/276,345.90
  6. Step 6: Final answer
    x = 240,737.91

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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.