Home / 264,941.10-397,411.65-205,819.20

Finding the Fourth Proportional to 264,941.10, 397,411.65 and 205,819.20

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Solution

The fourth proportional to 264,941.10, 397,411.65 and 205,819.20 is: 308,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,941.10 : 397,411.65 = 205,819.20 : x
  2. Step 2: Convert to fraction form
    264,941.10/397,411.65 = 205,819.20/x
  3. Step 3: Cross multiply
    264,941.10x = 397,411.65 × 205,819.20
  4. Step 4: Simplify right side
    264,941.10x = 81,794,947,873.68
  5. Step 5: Solve for x
    x = 81,794,947,873.68/264,941.10
  6. Step 6: Final answer
    x = 308,728.80

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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.