Home / 222,472.19-307,009.75-120,495.28

Finding the Fourth Proportional to 222,472.19, 307,009.75 and 120,495.28

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Solution

The fourth proportional to 222,472.19, 307,009.75 and 120,495.28 is: 166,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,472.19 : 307,009.75 = 120,495.28 : x
  2. Step 2: Convert to fraction form
    222,472.19/307,009.75 = 120,495.28/x
  3. Step 3: Cross multiply
    222,472.19x = 307,009.75 × 120,495.28
  4. Step 4: Simplify right side
    222,472.19x = 36,993,225,788.98
  5. Step 5: Solve for x
    x = 36,993,225,788.98/222,472.19
  6. Step 6: Final answer
    x = 166,282.47

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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.