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Finding the Fourth Proportional to 297,879.60, 446,819.40 and 268,388.40

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Solution

The fourth proportional to 297,879.60, 446,819.40 and 268,388.40 is: 402,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,879.60 : 446,819.40 = 268,388.40 : x
  2. Step 2: Convert to fraction form
    297,879.60/446,819.40 = 268,388.40/x
  3. Step 3: Cross multiply
    297,879.60x = 446,819.40 × 268,388.40
  4. Step 4: Simplify right side
    297,879.60x = 119,921,143,854.96
  5. Step 5: Solve for x
    x = 119,921,143,854.96/297,879.60
  6. Step 6: Final answer
    x = 402,582.60

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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.