Home / 251,233.65-346,732.38-143,838.18

Finding the Fourth Proportional to 251,233.65, 346,732.38 and 143,838.18

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Solution

The fourth proportional to 251,233.65, 346,732.38 and 143,838.18 is: 198,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,233.65 : 346,732.38 = 143,838.18 : x
  2. Step 2: Convert to fraction form
    251,233.65/346,732.38 = 143,838.18/x
  3. Step 3: Cross multiply
    251,233.65x = 346,732.38 × 143,838.18
  4. Step 4: Simplify right side
    251,233.65x = 49,873,354,486.27
  5. Step 5: Solve for x
    x = 49,873,354,486.27/251,233.65
  6. Step 6: Final answer
    x = 198,513.83

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1.5x scale

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.