Home / 341,784.20-512,522.70-131,352.20

Finding the Fourth Proportional to 341,784.20, 512,522.70 and 131,352.20

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Solution

The fourth proportional to 341,784.20, 512,522.70 and 131,352.20 is: 196,969.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,784.20 : 512,522.70 = 131,352.20 : x
  2. Step 2: Convert to fraction form
    341,784.20/512,522.70 = 131,352.20/x
  3. Step 3: Cross multiply
    341,784.20x = 512,522.70 × 131,352.20
  4. Step 4: Simplify right side
    341,784.20x = 67,320,984,194.94
  5. Step 5: Solve for x
    x = 67,320,984,194.94/341,784.20
  6. Step 6: Final answer
    x = 196,969.27

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1.5x scale

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.