Home / 215,853.46-324,061.77-145,093.08

Finding the Fourth Proportional to 215,853.46, 324,061.77 and 145,093.08

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Solution

The fourth proportional to 215,853.46, 324,061.77 and 145,093.08 is: 217,828.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,853.46 : 324,061.77 = 145,093.08 : x
  2. Step 2: Convert to fraction form
    215,853.46/324,061.77 = 145,093.08/x
  3. Step 3: Cross multiply
    215,853.46x = 324,061.77 × 145,093.08
  4. Step 4: Simplify right side
    215,853.46x = 47,019,117,973.78
  5. Step 5: Solve for x
    x = 47,019,117,973.78/215,853.46
  6. Step 6: Final answer
    x = 217,828.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.