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Finding the Fourth Proportional to 297,480.60, 445,564.80 and 178,945.20

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Solution

The fourth proportional to 297,480.60, 445,564.80 and 178,945.20 is: 268,023.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,480.60 : 445,564.80 = 178,945.20 : x
  2. Step 2: Convert to fraction form
    297,480.60/445,564.80 = 178,945.20/x
  3. Step 3: Cross multiply
    297,480.60x = 445,564.80 × 178,945.20
  4. Step 4: Simplify right side
    297,480.60x = 79,731,682,248.96
  5. Step 5: Solve for x
    x = 79,731,682,248.96/297,480.60
  6. Step 6: Final answer
    x = 268,023.13

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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.