Home / 270,048.90-405,083.07-101,553.78

Finding the Fourth Proportional to 270,048.90, 405,083.07 and 101,553.78

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Solution

The fourth proportional to 270,048.90, 405,083.07 and 101,553.78 is: 152,334.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,048.90 : 405,083.07 = 101,553.78 : x
  2. Step 2: Convert to fraction form
    270,048.90/405,083.07 = 101,553.78/x
  3. Step 3: Cross multiply
    270,048.90x = 405,083.07 × 101,553.78
  4. Step 4: Simplify right side
    270,048.90x = 41,137,716,972.50
  5. Step 5: Solve for x
    x = 41,137,716,972.50/270,048.90
  6. Step 6: Final answer
    x = 152,334.33

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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.