Home / 247,945.11-371,699.64-98,290.53

Finding the Fourth Proportional to 247,945.11, 371,699.64 and 98,290.53

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Solution

The fourth proportional to 247,945.11, 371,699.64 and 98,290.53 is: 147,349.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,945.11 : 371,699.64 = 98,290.53 : x
  2. Step 2: Convert to fraction form
    247,945.11/371,699.64 = 98,290.53/x
  3. Step 3: Cross multiply
    247,945.11x = 371,699.64 × 98,290.53
  4. Step 4: Simplify right side
    247,945.11x = 36,534,552,512.18
  5. Step 5: Solve for x
    x = 36,534,552,512.18/247,945.11
  6. Step 6: Final answer
    x = 147,349.36

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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.