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Finding the Fourth Proportional to 275,161.91, 412,674.50 and 155,271.49

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Solution

The fourth proportional to 275,161.91, 412,674.50 and 155,271.49 is: 232,868.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,161.91 : 412,674.50 = 155,271.49 : x
  2. Step 2: Convert to fraction form
    275,161.91/412,674.50 = 155,271.49/x
  3. Step 3: Cross multiply
    275,161.91x = 412,674.50 × 155,271.49
  4. Step 4: Simplify right side
    275,161.91x = 64,076,583,856.50
  5. Step 5: Solve for x
    x = 64,076,583,856.50/275,161.91
  6. Step 6: Final answer
    x = 232,868.66

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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.