Home / 354,129.20-488,698.38-192,984.29

Finding the Fourth Proportional to 354,129.20, 488,698.38 and 192,984.29

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Solution

The fourth proportional to 354,129.20, 488,698.38 and 192,984.29 is: 266,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,129.20 : 488,698.38 = 192,984.29 : x
  2. Step 2: Convert to fraction form
    354,129.20/488,698.38 = 192,984.29/x
  3. Step 3: Cross multiply
    354,129.20x = 488,698.38 × 192,984.29
  4. Step 4: Simplify right side
    354,129.20x = 94,311,109,277.58
  5. Step 5: Solve for x
    x = 94,311,109,277.58/354,129.20
  6. Step 6: Final answer
    x = 266,318.37

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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.