Home / 211,229.27-316,858.49-61,470.80

Finding the Fourth Proportional to 211,229.27, 316,858.49 and 61,470.80

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Solution

The fourth proportional to 211,229.27, 316,858.49 and 61,470.80 is: 92,210.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,229.27 : 316,858.49 = 61,470.80 : x
  2. Step 2: Convert to fraction form
    211,229.27/316,858.49 = 61,470.80/x
  3. Step 3: Cross multiply
    211,229.27x = 316,858.49 × 61,470.80
  4. Step 4: Simplify right side
    211,229.27x = 19,477,544,867.09
  5. Step 5: Solve for x
    x = 19,477,544,867.09/211,229.27
  6. Step 6: Final answer
    x = 92,210.44

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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.