Home / 227,770.41-314,309.37-137,155.71

Finding the Fourth Proportional to 227,770.41, 314,309.37 and 137,155.71

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Solution

The fourth proportional to 227,770.41, 314,309.37 and 137,155.71 is: 189,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,770.41 : 314,309.37 = 137,155.71 : x
  2. Step 2: Convert to fraction form
    227,770.41/314,309.37 = 137,155.71/x
  3. Step 3: Cross multiply
    227,770.41x = 314,309.37 × 137,155.71
  4. Step 4: Simplify right side
    227,770.41x = 43,109,324,802.00
  5. Step 5: Solve for x
    x = 43,109,324,802.00/227,770.41
  6. Step 6: Final answer
    x = 189,266.57

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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.