Home / 342,223.60-513,422.88-131,805.04

Finding the Fourth Proportional to 342,223.60, 513,422.88 and 131,805.04

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Solution

The fourth proportional to 342,223.60, 513,422.88 and 131,805.04 is: 197,741.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,223.60 : 513,422.88 = 131,805.04 : x
  2. Step 2: Convert to fraction form
    342,223.60/513,422.88 = 131,805.04/x
  3. Step 3: Cross multiply
    342,223.60x = 513,422.88 × 131,805.04
  4. Step 4: Simplify right side
    342,223.60x = 67,671,723,235.32
  5. Step 5: Solve for x
    x = 67,671,723,235.32/342,223.60
  6. Step 6: Final answer
    x = 197,741.25

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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.