Home / 251,901.82-347,637.38-143,013.79

Finding the Fourth Proportional to 251,901.82, 347,637.38 and 143,013.79

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Solution

The fourth proportional to 251,901.82, 347,637.38 and 143,013.79 is: 197,366.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,901.82 : 347,637.38 = 143,013.79 : x
  2. Step 2: Convert to fraction form
    251,901.82/347,637.38 = 143,013.79/x
  3. Step 3: Cross multiply
    251,901.82x = 347,637.38 × 143,013.79
  4. Step 4: Simplify right side
    251,901.82x = 49,716,936,806.21
  5. Step 5: Solve for x
    x = 49,716,936,806.21/251,901.82
  6. Step 6: Final answer
    x = 197,366.33

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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.