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Finding the Fourth Proportional to 244,978.26, 337,984.64 and 154,342.32

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Solution

The fourth proportional to 244,978.26, 337,984.64 and 154,342.32 is: 212,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,978.26 : 337,984.64 = 154,342.32 : x
  2. Step 2: Convert to fraction form
    244,978.26/337,984.64 = 154,342.32/x
  3. Step 3: Cross multiply
    244,978.26x = 337,984.64 × 154,342.32
  4. Step 4: Simplify right side
    244,978.26x = 52,165,333,461.96
  5. Step 5: Solve for x
    x = 52,165,333,461.96/244,978.26
  6. Step 6: Final answer
    x = 212,938.62

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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.