Home / 251,119.68-346,508.46-143,669.40

Finding the Fourth Proportional to 251,119.68, 346,508.46 and 143,669.40

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Solution

The fourth proportional to 251,119.68, 346,508.46 and 143,669.40 is: 198,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,119.68 : 346,508.46 = 143,669.40 : x
  2. Step 2: Convert to fraction form
    251,119.68/346,508.46 = 143,669.40/x
  3. Step 3: Cross multiply
    251,119.68x = 346,508.46 × 143,669.40
  4. Step 4: Simplify right side
    251,119.68x = 49,782,662,543.12
  5. Step 5: Solve for x
    x = 49,782,662,543.12/251,119.68
  6. Step 6: Final answer
    x = 198,242.78

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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.