Home / 257,819.04-355,791.42-144,634.50

Finding the Fourth Proportional to 257,819.04, 355,791.42 and 144,634.50

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Solution

The fourth proportional to 257,819.04, 355,791.42 and 144,634.50 is: 199,596.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,819.04 : 355,791.42 = 144,634.50 : x
  2. Step 2: Convert to fraction form
    257,819.04/355,791.42 = 144,634.50/x
  3. Step 3: Cross multiply
    257,819.04x = 355,791.42 × 144,634.50
  4. Step 4: Simplify right side
    257,819.04x = 51,459,714,135.99
  5. Step 5: Solve for x
    x = 51,459,714,135.99/257,819.04
  6. Step 6: Final answer
    x = 199,596.25

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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.