Home / 484,536.25-668,659.30-269,671.15

Finding the Fourth Proportional to 484,536.25, 668,659.30 and 269,671.15

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Solution

The fourth proportional to 484,536.25, 668,659.30 and 269,671.15 is: 372,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,536.25 : 668,659.30 = 269,671.15 : x
  2. Step 2: Convert to fraction form
    484,536.25/668,659.30 = 269,671.15/x
  3. Step 3: Cross multiply
    484,536.25x = 668,659.30 × 269,671.15
  4. Step 4: Simplify right side
    484,536.25x = 180,318,122,389.20
  5. Step 5: Solve for x
    x = 180,318,122,389.20/484,536.25
  6. Step 6: Final answer
    x = 372,145.78

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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.