Home / 251,436.94-346,982.97-138,259.69

Finding the Fourth Proportional to 251,436.94, 346,982.97 and 138,259.69

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Solution

The fourth proportional to 251,436.94, 346,982.97 and 138,259.69 is: 190,798.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,436.94 : 346,982.97 = 138,259.69 : x
  2. Step 2: Convert to fraction form
    251,436.94/346,982.97 = 138,259.69/x
  3. Step 3: Cross multiply
    251,436.94x = 346,982.97 × 138,259.69
  4. Step 4: Simplify right side
    251,436.94x = 47,973,756,478.21
  5. Step 5: Solve for x
    x = 47,973,756,478.21/251,436.94
  6. Step 6: Final answer
    x = 190,798.37

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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.