Home / 329,823.20-493,179.60-245,842.40

Finding the Fourth Proportional to 329,823.20, 493,179.60 and 245,842.40

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Solution

The fourth proportional to 329,823.20, 493,179.60 and 245,842.40 is: 367,604.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,823.20 : 493,179.60 = 245,842.40 : x
  2. Step 2: Convert to fraction form
    329,823.20/493,179.60 = 245,842.40/x
  3. Step 3: Cross multiply
    329,823.20x = 493,179.60 × 245,842.40
  4. Step 4: Simplify right side
    329,823.20x = 121,244,456,495.04
  5. Step 5: Solve for x
    x = 121,244,456,495.04/329,823.20
  6. Step 6: Final answer
    x = 367,604.39

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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.