Home / 335,015.12-462,113.34-220,306.88

Finding the Fourth Proportional to 335,015.12, 462,113.34 and 220,306.88

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Solution

The fourth proportional to 335,015.12, 462,113.34 and 220,306.88 is: 303,887.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,015.12 : 462,113.34 = 220,306.88 : x
  2. Step 2: Convert to fraction form
    335,015.12/462,113.34 = 220,306.88/x
  3. Step 3: Cross multiply
    335,015.12x = 462,113.34 × 220,306.88
  4. Step 4: Simplify right side
    335,015.12x = 101,806,748,141.78
  5. Step 5: Solve for x
    x = 101,806,748,141.78/335,015.12
  6. Step 6: Final answer
    x = 303,887.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.