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Finding the Fourth Proportional to 239,080.68, 329,922.72 and 143,530.92

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Solution

The fourth proportional to 239,080.68, 329,922.72 and 143,530.92 is: 198,067.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,080.68 : 329,922.72 = 143,530.92 : x
  2. Step 2: Convert to fraction form
    239,080.68/329,922.72 = 143,530.92/x
  3. Step 3: Cross multiply
    239,080.68x = 329,922.72 × 143,530.92
  4. Step 4: Simplify right side
    239,080.68x = 47,354,111,530.50
  5. Step 5: Solve for x
    x = 47,354,111,530.50/239,080.68
  6. Step 6: Final answer
    x = 198,067.50

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1.5x scale

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.