Home / 247,524,242.25-341,242,134.90-197,458,388.79

Finding the Fourth Proportional to 247,524,242.25, 341,242,134.90 and 197,458,388.79

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Solution

The fourth proportional to 247,524,242.25, 341,242,134.90 and 197,458,388.79 is: 272,220,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,524,242.25 : 341,242,134.90 = 197,458,388.79 : x
  2. Step 2: Convert to fraction form
    247,524,242.25/341,242,134.90 = 197,458,388.79/x
  3. Step 3: Cross multiply
    247,524,242.25x = 341,242,134.90 × 197,458,388.79
  4. Step 4: Simplify right side
    247,524,242.25x = 67,381,122,146,305,616
  5. Step 5: Solve for x
    x = 67,381,122,146,305,616/247,524,242.25
  6. Step 6: Final answer
    x = 272,220,294.60

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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.