Home / 319,962.15-441,632.79-199,034.64

Finding the Fourth Proportional to 319,962.15, 441,632.79 and 199,034.64

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Solution

The fourth proportional to 319,962.15, 441,632.79 and 199,034.64 is: 274,720.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,962.15 : 441,632.79 = 199,034.64 : x
  2. Step 2: Convert to fraction form
    319,962.15/441,632.79 = 199,034.64/x
  3. Step 3: Cross multiply
    319,962.15x = 441,632.79 × 199,034.64
  4. Step 4: Simplify right side
    319,962.15x = 87,900,223,369.85
  5. Step 5: Solve for x
    x = 87,900,223,369.85/319,962.15
  6. Step 6: Final answer
    x = 274,720.69

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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.