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Finding the Fourth Proportional to 244,030.49, 336,745.64 and 135,127

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Solution

The fourth proportional to 244,030.49, 336,745.64 and 135,127 is: 186,466.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,030.49 : 336,745.64 = 135,127 : x
  2. Step 2: Convert to fraction form
    244,030.49/336,745.64 = 135,127/x
  3. Step 3: Cross multiply
    244,030.49x = 336,745.64 × 135,127
  4. Step 4: Simplify right side
    244,030.49x = 45,503,428,096.28
  5. Step 5: Solve for x
    x = 45,503,428,096.28/244,030.49
  6. Step 6: Final answer
    x = 186,466.16

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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.