Home / 272,431.07-408,642.50-122,565.52

Finding the Fourth Proportional to 272,431.07, 408,642.50 and 122,565.52

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Solution

The fourth proportional to 272,431.07, 408,642.50 and 122,565.52 is: 183,846.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,431.07 : 408,642.50 = 122,565.52 : x
  2. Step 2: Convert to fraction form
    272,431.07/408,642.50 = 122,565.52/x
  3. Step 3: Cross multiply
    272,431.07x = 408,642.50 × 122,565.52
  4. Step 4: Simplify right side
    272,431.07x = 50,085,481,375.00
  5. Step 5: Solve for x
    x = 50,085,481,375.00/272,431.07
  6. Step 6: Final answer
    x = 183,846.44

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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.