Home / 272,481.80-376,023.75-151,634.66

Finding the Fourth Proportional to 272,481.80, 376,023.75 and 151,634.66

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Solution

The fourth proportional to 272,481.80, 376,023.75 and 151,634.66 is: 209,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,481.80 : 376,023.75 = 151,634.66 : x
  2. Step 2: Convert to fraction form
    272,481.80/376,023.75 = 151,634.66/x
  3. Step 3: Cross multiply
    272,481.80x = 376,023.75 × 151,634.66
  4. Step 4: Simplify right side
    272,481.80x = 57,018,233,483.18
  5. Step 5: Solve for x
    x = 57,018,233,483.18/272,481.80
  6. Step 6: Final answer
    x = 209,255.20

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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.