Home / 251,217.34-346,679.85-138,047.38

Finding the Fourth Proportional to 251,217.34, 346,679.85 and 138,047.38

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Solution

The fourth proportional to 251,217.34, 346,679.85 and 138,047.38 is: 190,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,217.34 : 346,679.85 = 138,047.38 : x
  2. Step 2: Convert to fraction form
    251,217.34/346,679.85 = 138,047.38/x
  3. Step 3: Cross multiply
    251,217.34x = 346,679.85 × 138,047.38
  4. Step 4: Simplify right side
    251,217.34x = 47,858,244,991.29
  5. Step 5: Solve for x
    x = 47,858,244,991.29/251,217.34
  6. Step 6: Final answer
    x = 190,505.34

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1.5x scale

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.