Home / 247,287.03-341,274.42-138,402.26

Finding the Fourth Proportional to 247,287.03, 341,274.42 and 138,402.26

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Solution

The fourth proportional to 247,287.03, 341,274.42 and 138,402.26 is: 191,005.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,287.03 : 341,274.42 = 138,402.26 : x
  2. Step 2: Convert to fraction form
    247,287.03/341,274.42 = 138,402.26/x
  3. Step 3: Cross multiply
    247,287.03x = 341,274.42 × 138,402.26
  4. Step 4: Simplify right side
    247,287.03x = 47,233,149,301.82
  5. Step 5: Solve for x
    x = 47,233,149,301.82/247,287.03
  6. Step 6: Final answer
    x = 191,005.36

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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.