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Finding the Fourth Proportional to 345,682.40, 477,147.19 and 200,524.89

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Solution

The fourth proportional to 345,682.40, 477,147.19 and 200,524.89 is: 276,785.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,682.40 : 477,147.19 = 200,524.89 : x
  2. Step 2: Convert to fraction form
    345,682.40/477,147.19 = 200,524.89/x
  3. Step 3: Cross multiply
    345,682.40x = 477,147.19 × 200,524.89
  4. Step 4: Simplify right side
    345,682.40x = 95,679,887,687.57
  5. Step 5: Solve for x
    x = 95,679,887,687.57/345,682.40
  6. Step 6: Final answer
    x = 276,785.53

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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.