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Finding the Fourth Proportional to 200,250.60, 275,870.52 and 139,711.20

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Solution

The fourth proportional to 200,250.60, 275,870.52 and 139,711.20 is: 192,469.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,250.60 : 275,870.52 = 139,711.20 : x
  2. Step 2: Convert to fraction form
    200,250.60/275,870.52 = 139,711.20/x
  3. Step 3: Cross multiply
    200,250.60x = 275,870.52 × 139,711.20
  4. Step 4: Simplify right side
    200,250.60x = 38,542,201,393.82
  5. Step 5: Solve for x
    x = 38,542,201,393.82/200,250.60
  6. Step 6: Final answer
    x = 192,469.84

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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.