Home / 219,623.28-303,080.10-119,021.28

Finding the Fourth Proportional to 219,623.28, 303,080.10 and 119,021.28

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Solution

The fourth proportional to 219,623.28, 303,080.10 and 119,021.28 is: 164,249.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,623.28 : 303,080.10 = 119,021.28 : x
  2. Step 2: Convert to fraction form
    219,623.28/303,080.10 = 119,021.28/x
  3. Step 3: Cross multiply
    219,623.28x = 303,080.10 × 119,021.28
  4. Step 4: Simplify right side
    219,623.28x = 36,072,981,444.53
  5. Step 5: Solve for x
    x = 36,072,981,444.53/219,623.28
  6. Step 6: Final answer
    x = 164,249.35

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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.