Home / 890,080.20-1,335,107.88-216,166.68

Finding the Fourth Proportional to 890,080.20, 1,335,107.88 and 216,166.68

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Solution

The fourth proportional to 890,080.20, 1,335,107.88 and 216,166.68 is: 324,247.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,080.20 : 1,335,107.88 = 216,166.68 : x
  2. Step 2: Convert to fraction form
    890,080.20/1,335,107.88 = 216,166.68/x
  3. Step 3: Cross multiply
    890,080.20x = 1,335,107.88 × 216,166.68
  4. Step 4: Simplify right side
    890,080.20x = 288,605,837,861.44
  5. Step 5: Solve for x
    x = 288,605,837,861.44/890,080.20
  6. Step 6: Final answer
    x = 324,247.00

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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.