Home / 252,448.30-348,378.62-139,271.04

Finding the Fourth Proportional to 252,448.30, 348,378.62 and 139,271.04

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Solution

The fourth proportional to 252,448.30, 348,378.62 and 139,271.04 is: 192,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,448.30 : 348,378.62 = 139,271.04 : x
  2. Step 2: Convert to fraction form
    252,448.30/348,378.62 = 139,271.04/x
  3. Step 3: Cross multiply
    252,448.30x = 348,378.62 × 139,271.04
  4. Step 4: Simplify right side
    252,448.30x = 48,519,052,721.16
  5. Step 5: Solve for x
    x = 48,519,052,721.16/252,448.30
  6. Step 6: Final answer
    x = 192,194.02

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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.