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Finding the Fourth Proportional to 297,631.20, 446,446.80 and 208,984.80

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Solution

The fourth proportional to 297,631.20, 446,446.80 and 208,984.80 is: 313,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,631.20 : 446,446.80 = 208,984.80 : x
  2. Step 2: Convert to fraction form
    297,631.20/446,446.80 = 208,984.80/x
  3. Step 3: Cross multiply
    297,631.20x = 446,446.80 × 208,984.80
  4. Step 4: Simplify right side
    297,631.20x = 93,300,595,208.64
  5. Step 5: Solve for x
    x = 93,300,595,208.64/297,631.20
  6. Step 6: Final answer
    x = 313,477.20

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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.