Home / 251,222.92-346,703.14-143,790.49

Finding the Fourth Proportional to 251,222.92, 346,703.14 and 143,790.49

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Solution

The fourth proportional to 251,222.92, 346,703.14 and 143,790.49 is: 198,439.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,222.92 : 346,703.14 = 143,790.49 : x
  2. Step 2: Convert to fraction form
    251,222.92/346,703.14 = 143,790.49/x
  3. Step 3: Cross multiply
    251,222.92x = 346,703.14 × 143,790.49
  4. Step 4: Simplify right side
    251,222.92x = 49,852,614,189.43
  5. Step 5: Solve for x
    x = 49,852,614,189.43/251,222.92
  6. Step 6: Final answer
    x = 198,439.75

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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.