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Finding the Fourth Proportional to 219,900.17, 303,462.82 and 119,298.17

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Solution

The fourth proportional to 219,900.17, 303,462.82 and 119,298.17 is: 164,631.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,900.17 : 303,462.82 = 119,298.17 : x
  2. Step 2: Convert to fraction form
    219,900.17/303,462.82 = 119,298.17/x
  3. Step 3: Cross multiply
    219,900.17x = 303,462.82 × 119,298.17
  4. Step 4: Simplify right side
    219,900.17x = 36,202,559,996.82
  5. Step 5: Solve for x
    x = 36,202,559,996.82/219,900.17
  6. Step 6: Final answer
    x = 164,631.79

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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.