Home / 342,720.08-513,997.32-132,223.76

Finding the Fourth Proportional to 342,720.08, 513,997.32 and 132,223.76

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Solution

The fourth proportional to 342,720.08, 513,997.32 and 132,223.76 is: 198,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,720.08 : 513,997.32 = 132,223.76 : x
  2. Step 2: Convert to fraction form
    342,720.08/513,997.32 = 132,223.76/x
  3. Step 3: Cross multiply
    342,720.08x = 513,997.32 × 132,223.76
  4. Step 4: Simplify right side
    342,720.08x = 67,962,658,280.32
  5. Step 5: Solve for x
    x = 67,962,658,280.32/342,720.08
  6. Step 6: Final answer
    x = 198,303.70

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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.