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Finding the Fourth Proportional to 341,467.30, 512,200.95 and 128,234.80

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Solution

The fourth proportional to 341,467.30, 512,200.95 and 128,234.80 is: 192,352.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,467.30 : 512,200.95 = 128,234.80 : x
  2. Step 2: Convert to fraction form
    341,467.30/512,200.95 = 128,234.80/x
  3. Step 3: Cross multiply
    341,467.30x = 512,200.95 × 128,234.80
  4. Step 4: Simplify right side
    341,467.30x = 65,681,986,383.06
  5. Step 5: Solve for x
    x = 65,681,986,383.06/341,467.30
  6. Step 6: Final answer
    x = 192,352.20

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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.