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Finding the Fourth Proportional to 438,301.60, 657,452.40 and 202,105.60

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Solution

The fourth proportional to 438,301.60, 657,452.40 and 202,105.60 is: 303,158.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,301.60 : 657,452.40 = 202,105.60 : x
  2. Step 2: Convert to fraction form
    438,301.60/657,452.40 = 202,105.60/x
  3. Step 3: Cross multiply
    438,301.60x = 657,452.40 × 202,105.60
  4. Step 4: Simplify right side
    438,301.60x = 132,874,811,773.44
  5. Step 5: Solve for x
    x = 132,874,811,773.44/438,301.60
  6. Step 6: Final answer
    x = 303,158.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.