Home / 274,284.91-378,541.69-158,002.39

Finding the Fourth Proportional to 274,284.91, 378,541.69 and 158,002.39

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Solution

The fourth proportional to 274,284.91, 378,541.69 and 158,002.39 is: 218,059.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,284.91 : 378,541.69 = 158,002.39 : x
  2. Step 2: Convert to fraction form
    274,284.91/378,541.69 = 158,002.39/x
  3. Step 3: Cross multiply
    274,284.91x = 378,541.69 × 158,002.39
  4. Step 4: Simplify right side
    274,284.91x = 59,810,491,812.81
  5. Step 5: Solve for x
    x = 59,810,491,812.81/274,284.91
  6. Step 6: Final answer
    x = 218,059.72

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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.