Home / 279,422.04-419,133.18-92,433.54

Finding the Fourth Proportional to 279,422.04, 419,133.18 and 92,433.54

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Solution

The fourth proportional to 279,422.04, 419,133.18 and 92,433.54 is: 138,650.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,422.04 : 419,133.18 = 92,433.54 : x
  2. Step 2: Convert to fraction form
    279,422.04/419,133.18 = 92,433.54/x
  3. Step 3: Cross multiply
    279,422.04x = 419,133.18 × 92,433.54
  4. Step 4: Simplify right side
    279,422.04x = 38,741,963,558.86
  5. Step 5: Solve for x
    x = 38,741,963,558.86/279,422.04
  6. Step 6: Final answer
    x = 138,650.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.