Home / 340,272.20-469,571.02-189,369.20

Finding the Fourth Proportional to 340,272.20, 469,571.02 and 189,369.20

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Solution

The fourth proportional to 340,272.20, 469,571.02 and 189,369.20 is: 261,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,272.20 : 469,571.02 = 189,369.20 : x
  2. Step 2: Convert to fraction form
    340,272.20/469,571.02 = 189,369.20/x
  3. Step 3: Cross multiply
    340,272.20x = 469,571.02 × 189,369.20
  4. Step 4: Simplify right side
    340,272.20x = 88,922,288,400.58
  5. Step 5: Solve for x
    x = 88,922,288,400.58/340,272.20
  6. Step 6: Final answer
    x = 261,326.93

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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.