Home / 257,374.12-355,186.04-144,193

Finding the Fourth Proportional to 257,374.12, 355,186.04 and 144,193

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Solution

The fourth proportional to 257,374.12, 355,186.04 and 144,193 is: 198,991.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,374.12 : 355,186.04 = 144,193 : x
  2. Step 2: Convert to fraction form
    257,374.12/355,186.04 = 144,193/x
  3. Step 3: Cross multiply
    257,374.12x = 355,186.04 × 144,193
  4. Step 4: Simplify right side
    257,374.12x = 51,215,340,665.72
  5. Step 5: Solve for x
    x = 51,215,340,665.72/257,374.12
  6. Step 6: Final answer
    x = 198,991.80

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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.