Home / 251,214.20-346,668.36-143,780.58

Finding the Fourth Proportional to 251,214.20, 346,668.36 and 143,780.58

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Solution

The fourth proportional to 251,214.20, 346,668.36 and 143,780.58 is: 198,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,214.20 : 346,668.36 = 143,780.58 : x
  2. Step 2: Convert to fraction form
    251,214.20/346,668.36 = 143,780.58/x
  3. Step 3: Cross multiply
    251,214.20x = 346,668.36 × 143,780.58
  4. Step 4: Simplify right side
    251,214.20x = 49,844,177,868.45
  5. Step 5: Solve for x
    x = 49,844,177,868.45/251,214.20
  6. Step 6: Final answer
    x = 198,413.06

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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.