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Finding the Fourth Proportional to 344,557.60, 475,451.40 and 206,729.20

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Solution

The fourth proportional to 344,557.60, 475,451.40 and 206,729.20 is: 285,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,557.60 : 475,451.40 = 206,729.20 : x
  2. Step 2: Convert to fraction form
    344,557.60/475,451.40 = 206,729.20/x
  3. Step 3: Cross multiply
    344,557.60x = 475,451.40 × 206,729.20
  4. Step 4: Simplify right side
    344,557.60x = 98,289,687,560.88
  5. Step 5: Solve for x
    x = 98,289,687,560.88/344,557.60
  6. Step 6: Final answer
    x = 285,263.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.