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Finding the Fourth Proportional to 285,643.26, 394,008.44 and 183,801.15

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Solution

The fourth proportional to 285,643.26, 394,008.44 and 183,801.15 is: 253,530.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,643.26 : 394,008.44 = 183,801.15 : x
  2. Step 2: Convert to fraction form
    285,643.26/394,008.44 = 183,801.15/x
  3. Step 3: Cross multiply
    285,643.26x = 394,008.44 × 183,801.15
  4. Step 4: Simplify right side
    285,643.26x = 72,419,203,462.70
  5. Step 5: Solve for x
    x = 72,419,203,462.70/285,643.26
  6. Step 6: Final answer
    x = 253,530.24

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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.