Home / 252,279.12-348,323.04-161,868

Finding the Fourth Proportional to 252,279.12, 348,323.04 and 161,868

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Solution

The fourth proportional to 252,279.12, 348,323.04 and 161,868 is: 223,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,279.12 : 348,323.04 = 161,868 : x
  2. Step 2: Convert to fraction form
    252,279.12/348,323.04 = 161,868/x
  3. Step 3: Cross multiply
    252,279.12x = 348,323.04 × 161,868
  4. Step 4: Simplify right side
    252,279.12x = 56,382,353,838.72
  5. Step 5: Solve for x
    x = 56,382,353,838.72/252,279.12
  6. Step 6: Final answer
    x = 223,491.96

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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.