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Finding the Fourth Proportional to 450,160.72, 674,098.36 and 270,132.96

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Solution

The fourth proportional to 450,160.72, 674,098.36 and 270,132.96 is: 404,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,160.72 : 674,098.36 = 270,132.96 : x
  2. Step 2: Convert to fraction form
    450,160.72/674,098.36 = 270,132.96/x
  3. Step 3: Cross multiply
    450,160.72x = 674,098.36 × 270,132.96
  4. Step 4: Simplify right side
    450,160.72x = 182,096,185,317.95
  5. Step 5: Solve for x
    x = 182,096,185,317.95/450,160.72
  6. Step 6: Final answer
    x = 404,513.72

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1.5x scale

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.