Home / 353,909.28-488,377.98-192,763.56

Finding the Fourth Proportional to 353,909.28, 488,377.98 and 192,763.56

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Solution

The fourth proportional to 353,909.28, 488,377.98 and 192,763.56 is: 266,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,909.28 : 488,377.98 = 192,763.56 : x
  2. Step 2: Convert to fraction form
    353,909.28/488,377.98 = 192,763.56/x
  3. Step 3: Cross multiply
    353,909.28x = 488,377.98 × 192,763.56
  4. Step 4: Simplify right side
    353,909.28x = 94,141,478,050.41
  5. Step 5: Solve for x
    x = 94,141,478,050.41/353,909.28
  6. Step 6: Final answer
    x = 266,004.55

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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.