Home / 215,014.84-322,480.14-204,346.36

Finding the Fourth Proportional to 215,014.84, 322,480.14 and 204,346.36

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Solution

The fourth proportional to 215,014.84, 322,480.14 and 204,346.36 is: 306,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,014.84 : 322,480.14 = 204,346.36 : x
  2. Step 2: Convert to fraction form
    215,014.84/322,480.14 = 204,346.36/x
  3. Step 3: Cross multiply
    215,014.84x = 322,480.14 × 204,346.36
  4. Step 4: Simplify right side
    215,014.84x = 65,897,642,781.29
  5. Step 5: Solve for x
    x = 65,897,642,781.29/215,014.84
  6. Step 6: Final answer
    x = 306,479.51

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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.