Home / 251,218.19-346,696.59-143,785.91

Finding the Fourth Proportional to 251,218.19, 346,696.59 and 143,785.91

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Solution

The fourth proportional to 251,218.19, 346,696.59 and 143,785.91 is: 198,433.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,218.19 : 346,696.59 = 143,785.91 : x
  2. Step 2: Convert to fraction form
    251,218.19/346,696.59 = 143,785.91/x
  3. Step 3: Cross multiply
    251,218.19x = 346,696.59 × 143,785.91
  4. Step 4: Simplify right side
    251,218.19x = 49,850,082,953.56
  5. Step 5: Solve for x
    x = 49,850,082,953.56/251,218.19
  6. Step 6: Final answer
    x = 198,433.42

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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.