Home / 354,713.28-489,502.08-193,565.04

Finding the Fourth Proportional to 354,713.28, 489,502.08 and 193,565.04

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Solution

The fourth proportional to 354,713.28, 489,502.08 and 193,565.04 is: 267,118.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,713.28 : 489,502.08 = 193,565.04 : x
  2. Step 2: Convert to fraction form
    354,713.28/489,502.08 = 193,565.04/x
  3. Step 3: Cross multiply
    354,713.28x = 489,502.08 × 193,565.04
  4. Step 4: Simplify right side
    354,713.28x = 94,750,489,695.28
  5. Step 5: Solve for x
    x = 94,750,489,695.28/354,713.28
  6. Step 6: Final answer
    x = 267,118.53

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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.