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Finding the Fourth Proportional to 247,677.90, 341,018.55 and 218,576.22

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Solution

The fourth proportional to 247,677.90, 341,018.55 and 218,576.22 is: 300,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,677.90 : 341,018.55 = 218,576.22 : x
  2. Step 2: Convert to fraction form
    247,677.90/341,018.55 = 218,576.22/x
  3. Step 3: Cross multiply
    247,677.90x = 341,018.55 × 218,576.22
  4. Step 4: Simplify right side
    247,677.90x = 74,538,545,608.88
  5. Step 5: Solve for x
    x = 74,538,545,608.88/247,677.90
  6. Step 6: Final answer
    x = 300,949.52

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1.5x scale

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.