Home / 212,843.52-293,184-162,455.04

Finding the Fourth Proportional to 212,843.52, 293,184 and 162,455.04

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Solution

The fourth proportional to 212,843.52, 293,184 and 162,455.04 is: 223,775.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,843.52 : 293,184 = 162,455.04 : x
  2. Step 2: Convert to fraction form
    212,843.52/293,184 = 162,455.04/x
  3. Step 3: Cross multiply
    212,843.52x = 293,184 × 162,455.04
  4. Step 4: Simplify right side
    212,843.52x = 47,629,218,447.36
  5. Step 5: Solve for x
    x = 47,629,218,447.36/212,843.52
  6. Step 6: Final answer
    x = 223,775.75

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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.