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Finding the Fourth Proportional to 369,241.52, 555,018.36 and 243,688.60

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Solution

The fourth proportional to 369,241.52, 555,018.36 and 243,688.60 is: 366,295.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,241.52 : 555,018.36 = 243,688.60 : x
  2. Step 2: Convert to fraction form
    369,241.52/555,018.36 = 243,688.60/x
  3. Step 3: Cross multiply
    369,241.52x = 555,018.36 × 243,688.60
  4. Step 4: Simplify right side
    369,241.52x = 135,251,647,122.70
  5. Step 5: Solve for x
    x = 135,251,647,122.70/369,241.52
  6. Step 6: Final answer
    x = 366,295.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.