Home / 251,011.28-346,399.80-137,844.56

Finding the Fourth Proportional to 251,011.28, 346,399.80 and 137,844.56

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Solution

The fourth proportional to 251,011.28, 346,399.80 and 137,844.56 is: 190,227.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,011.28 : 346,399.80 = 137,844.56 : x
  2. Step 2: Convert to fraction form
    251,011.28/346,399.80 = 137,844.56/x
  3. Step 3: Cross multiply
    251,011.28x = 346,399.80 × 137,844.56
  4. Step 4: Simplify right side
    251,011.28x = 47,749,328,015.09
  5. Step 5: Solve for x
    x = 47,749,328,015.09/251,011.28
  6. Step 6: Final answer
    x = 190,227.82

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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.