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Finding the Fourth Proportional to 219,959, 303,544.23 and 119,357

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Solution

The fourth proportional to 219,959, 303,544.23 and 119,357 is: 164,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,959 : 303,544.23 = 119,357 : x
  2. Step 2: Convert to fraction form
    219,959/303,544.23 = 119,357/x
  3. Step 3: Cross multiply
    219,959x = 303,544.23 × 119,357
  4. Step 4: Simplify right side
    219,959x = 36,230,128,660.11
  5. Step 5: Solve for x
    x = 36,230,128,660.11/219,959
  6. Step 6: Final answer
    x = 164,713.10

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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.