Home / 251,285.69-346,764.73-143,865.72

Finding the Fourth Proportional to 251,285.69, 346,764.73 and 143,865.72

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Solution

The fourth proportional to 251,285.69, 346,764.73 and 143,865.72 is: 198,529.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,285.69 : 346,764.73 = 143,865.72 : x
  2. Step 2: Convert to fraction form
    251,285.69/346,764.73 = 143,865.72/x
  3. Step 3: Cross multiply
    251,285.69x = 346,764.73 × 143,865.72
  4. Step 4: Simplify right side
    251,285.69x = 49,887,557,552.06
  5. Step 5: Solve for x
    x = 49,887,557,552.06/251,285.69
  6. Step 6: Final answer
    x = 198,529.24

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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.