Home / 246,428.64-340,071.12-138,998.34

Finding the Fourth Proportional to 246,428.64, 340,071.12 and 138,998.34

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Solution

The fourth proportional to 246,428.64, 340,071.12 and 138,998.34 is: 191,817.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,428.64 : 340,071.12 = 138,998.34 : x
  2. Step 2: Convert to fraction form
    246,428.64/340,071.12 = 138,998.34/x
  3. Step 3: Cross multiply
    246,428.64x = 340,071.12 × 138,998.34
  4. Step 4: Simplify right side
    246,428.64x = 47,269,321,161.94
  5. Step 5: Solve for x
    x = 47,269,321,161.94/246,428.64
  6. Step 6: Final answer
    x = 191,817.48

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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.