Home / 275,328.66-412,992-155,331.18

Finding the Fourth Proportional to 275,328.66, 412,992 and 155,331.18

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Solution

The fourth proportional to 275,328.66, 412,992 and 155,331.18 is: 232,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,328.66 : 412,992 = 155,331.18 : x
  2. Step 2: Convert to fraction form
    275,328.66/412,992 = 155,331.18/x
  3. Step 3: Cross multiply
    275,328.66x = 412,992 × 155,331.18
  4. Step 4: Simplify right side
    275,328.66x = 64,150,534,690.56
  5. Step 5: Solve for x
    x = 64,150,534,690.56/275,328.66
  6. Step 6: Final answer
    x = 232,996.21

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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.