Home / 227,920.35-314,541.08-137,304.74

Finding the Fourth Proportional to 227,920.35, 314,541.08 and 137,304.74

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Solution

The fourth proportional to 227,920.35, 314,541.08 and 137,304.74 is: 189,487.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,920.35 : 314,541.08 = 137,304.74 : x
  2. Step 2: Convert to fraction form
    227,920.35/314,541.08 = 137,304.74/x
  3. Step 3: Cross multiply
    227,920.35x = 314,541.08 × 137,304.74
  4. Step 4: Simplify right side
    227,920.35x = 43,187,978,949.49
  5. Step 5: Solve for x
    x = 43,187,978,949.49/227,920.35
  6. Step 6: Final answer
    x = 189,487.16

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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.