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Finding the Fourth Proportional to 437,766.60, 656,139.60 and 201,133.20

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Solution

The fourth proportional to 437,766.60, 656,139.60 and 201,133.20 is: 301,465.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,766.60 : 656,139.60 = 201,133.20 : x
  2. Step 2: Convert to fraction form
    437,766.60/656,139.60 = 201,133.20/x
  3. Step 3: Cross multiply
    437,766.60x = 656,139.60 × 201,133.20
  4. Step 4: Simplify right side
    437,766.60x = 131,971,457,394.72
  5. Step 5: Solve for x
    x = 131,971,457,394.72/437,766.60
  6. Step 6: Final answer
    x = 301,465.34

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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.