Home / 251,308.12-346,825.02-143,911.96

Finding the Fourth Proportional to 251,308.12, 346,825.02 and 143,911.96

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Solution

The fourth proportional to 251,308.12, 346,825.02 and 143,911.96 is: 198,609.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,308.12 : 346,825.02 = 143,911.96 : x
  2. Step 2: Convert to fraction form
    251,308.12/346,825.02 = 143,911.96/x
  3. Step 3: Cross multiply
    251,308.12x = 346,825.02 × 143,911.96
  4. Step 4: Simplify right side
    251,308.12x = 49,912,268,405.24
  5. Step 5: Solve for x
    x = 49,912,268,405.24/251,308.12
  6. Step 6: Final answer
    x = 198,609.85

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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.