Home / 247,971.78-371,747.48-98,317.80

Finding the Fourth Proportional to 247,971.78, 371,747.48 and 98,317.80

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Solution

The fourth proportional to 247,971.78, 371,747.48 and 98,317.80 is: 147,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,971.78 : 371,747.48 = 98,317.80 : x
  2. Step 2: Convert to fraction form
    247,971.78/371,747.48 = 98,317.80/x
  3. Step 3: Cross multiply
    247,971.78x = 371,747.48 × 98,317.80
  4. Step 4: Simplify right side
    247,971.78x = 36,549,393,897.56
  5. Step 5: Solve for x
    x = 36,549,393,897.56/247,971.78
  6. Step 6: Final answer
    x = 147,393.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.