Home / 252,782.57-348,840.40-143,883.19

Finding the Fourth Proportional to 252,782.57, 348,840.40 and 143,883.19

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Solution

The fourth proportional to 252,782.57, 348,840.40 and 143,883.19 is: 198,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,782.57 : 348,840.40 = 143,883.19 : x
  2. Step 2: Convert to fraction form
    252,782.57/348,840.40 = 143,883.19/x
  3. Step 3: Cross multiply
    252,782.57x = 348,840.40 × 143,883.19
  4. Step 4: Simplify right side
    252,782.57x = 50,192,267,532.10
  5. Step 5: Solve for x
    x = 50,192,267,532.10/252,782.57
  6. Step 6: Final answer
    x = 198,559.05

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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.