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Finding the Fourth Proportional to 297,447.45, 446,105.56 and 87,101.79

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Solution

The fourth proportional to 297,447.45, 446,105.56 and 87,101.79 is: 130,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,447.45 : 446,105.56 = 87,101.79 : x
  2. Step 2: Convert to fraction form
    297,447.45/446,105.56 = 87,101.79/x
  3. Step 3: Cross multiply
    297,447.45x = 446,105.56 × 87,101.79
  4. Step 4: Simplify right side
    297,447.45x = 38,856,592,804.95
  5. Step 5: Solve for x
    x = 38,856,592,804.95/297,447.45
  6. Step 6: Final answer
    x = 130,633.47

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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.