Home / 223,072.08-306,131.88-221,497.44

Finding the Fourth Proportional to 223,072.08, 306,131.88 and 221,497.44

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Solution

The fourth proportional to 223,072.08, 306,131.88 and 221,497.44 is: 303,970.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,072.08 : 306,131.88 = 221,497.44 : x
  2. Step 2: Convert to fraction form
    223,072.08/306,131.88 = 221,497.44/x
  3. Step 3: Cross multiply
    223,072.08x = 306,131.88 × 221,497.44
  4. Step 4: Simplify right side
    223,072.08x = 67,807,427,722.39
  5. Step 5: Solve for x
    x = 67,807,427,722.39/223,072.08
  6. Step 6: Final answer
    x = 303,970.93

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.