Home / 372,183.88-513,604.02-217,164.82

Finding the Fourth Proportional to 372,183.88, 513,604.02 and 217,164.82

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Solution

The fourth proportional to 372,183.88, 513,604.02 and 217,164.82 is: 299,681.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,183.88 : 513,604.02 = 217,164.82 : x
  2. Step 2: Convert to fraction form
    372,183.88/513,604.02 = 217,164.82/x
  3. Step 3: Cross multiply
    372,183.88x = 513,604.02 × 217,164.82
  4. Step 4: Simplify right side
    372,183.88x = 111,536,724,554.58
  5. Step 5: Solve for x
    x = 111,536,724,554.58/372,183.88
  6. Step 6: Final answer
    x = 299,681.77

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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.