Home / 215,056.39-322,541.28-204,386.59

Finding the Fourth Proportional to 215,056.39, 322,541.28 and 204,386.59

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Solution

The fourth proportional to 215,056.39, 322,541.28 and 204,386.59 is: 306,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,056.39 : 322,541.28 = 204,386.59 : x
  2. Step 2: Convert to fraction form
    215,056.39/322,541.28 = 204,386.59/x
  3. Step 3: Cross multiply
    215,056.39x = 322,541.28 × 204,386.59
  4. Step 4: Simplify right side
    215,056.39x = 65,923,112,353.44
  5. Step 5: Solve for x
    x = 65,923,112,353.44/215,056.39
  6. Step 6: Final answer
    x = 306,538.73

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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.