Home / 437,977.60-656,747.70-201,052.60

Finding the Fourth Proportional to 437,977.60, 656,747.70 and 201,052.60

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Solution

The fourth proportional to 437,977.60, 656,747.70 and 201,052.60 is: 301,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,977.60 : 656,747.70 = 201,052.60 : x
  2. Step 2: Convert to fraction form
    437,977.60/656,747.70 = 201,052.60/x
  3. Step 3: Cross multiply
    437,977.60x = 656,747.70 × 201,052.60
  4. Step 4: Simplify right side
    437,977.60x = 132,040,832,629.02
  5. Step 5: Solve for x
    x = 132,040,832,629.02/437,977.60
  6. Step 6: Final answer
    x = 301,478.51

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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.