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Finding the Fourth Proportional to 183,838.42, 275,757.85 and 57,479.33

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Solution

The fourth proportional to 183,838.42, 275,757.85 and 57,479.33 is: 86,219.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,838.42 : 275,757.85 = 57,479.33 : x
  2. Step 2: Convert to fraction form
    183,838.42/275,757.85 = 57,479.33/x
  3. Step 3: Cross multiply
    183,838.42x = 275,757.85 × 57,479.33
  4. Step 4: Simplify right side
    183,838.42x = 15,850,376,460.24
  5. Step 5: Solve for x
    x = 15,850,376,460.24/183,838.42
  6. Step 6: Final answer
    x = 86,219.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.