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Finding the Fourth Proportional to 341,567.80, 512,351.70 and 336,902.20

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Solution

The fourth proportional to 341,567.80, 512,351.70 and 336,902.20 is: 505,353.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,567.80 : 512,351.70 = 336,902.20 : x
  2. Step 2: Convert to fraction form
    341,567.80/512,351.70 = 336,902.20/x
  3. Step 3: Cross multiply
    341,567.80x = 512,351.70 × 336,902.20
  4. Step 4: Simplify right side
    341,567.80x = 172,612,414,903.74
  5. Step 5: Solve for x
    x = 172,612,414,903.74/341,567.80
  6. Step 6: Final answer
    x = 505,353.30

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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.