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Finding the Fourth Proportional to 328,625.73, 490,177.52 and 298,353.90

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Solution

The fourth proportional to 328,625.73, 490,177.52 and 298,353.90 is: 445,024.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,625.73 : 490,177.52 = 298,353.90 : x
  2. Step 2: Convert to fraction form
    328,625.73/490,177.52 = 298,353.90/x
  3. Step 3: Cross multiply
    328,625.73x = 490,177.52 × 298,353.90
  4. Step 4: Simplify right side
    328,625.73x = 146,246,374,784.33
  5. Step 5: Solve for x
    x = 146,246,374,784.33/328,625.73
  6. Step 6: Final answer
    x = 445,024.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.