Home / 217,849.56-300,637.50-122,363.16

Finding the Fourth Proportional to 217,849.56, 300,637.50 and 122,363.16

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Solution

The fourth proportional to 217,849.56, 300,637.50 and 122,363.16 is: 168,864.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,849.56 : 300,637.50 = 122,363.16 : x
  2. Step 2: Convert to fraction form
    217,849.56/300,637.50 = 122,363.16/x
  3. Step 3: Cross multiply
    217,849.56x = 300,637.50 × 122,363.16
  4. Step 4: Simplify right side
    217,849.56x = 36,786,954,514.50
  5. Step 5: Solve for x
    x = 36,786,954,514.50/217,849.56
  6. Step 6: Final answer
    x = 168,864.03

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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.