Home / 222,441.48-306,999.79-136,385.25

Finding the Fourth Proportional to 222,441.48, 306,999.79 and 136,385.25

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Solution

The fourth proportional to 222,441.48, 306,999.79 and 136,385.25 is: 188,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,441.48 : 306,999.79 = 136,385.25 : x
  2. Step 2: Convert to fraction form
    222,441.48/306,999.79 = 136,385.25/x
  3. Step 3: Cross multiply
    222,441.48x = 306,999.79 × 136,385.25
  4. Step 4: Simplify right side
    222,441.48x = 41,870,240,892.17
  5. Step 5: Solve for x
    x = 41,870,240,892.17/222,441.48
  6. Step 6: Final answer
    x = 188,230.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.