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Finding the Fourth Proportional to 275,764.48, 413,544.66 and 98,224.36

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Solution

The fourth proportional to 275,764.48, 413,544.66 and 98,224.36 is: 147,300.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,764.48 : 413,544.66 = 98,224.36 : x
  2. Step 2: Convert to fraction form
    275,764.48/413,544.66 = 98,224.36/x
  3. Step 3: Cross multiply
    275,764.48x = 413,544.66 × 98,224.36
  4. Step 4: Simplify right side
    275,764.48x = 40,620,159,559.92
  5. Step 5: Solve for x
    x = 40,620,159,559.92/275,764.48
  6. Step 6: Final answer
    x = 147,300.19

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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.