Home / 275,000.20-412,500.30-164,408.20

Finding the Fourth Proportional to 275,000.20, 412,500.30 and 164,408.20

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Solution

The fourth proportional to 275,000.20, 412,500.30 and 164,408.20 is: 246,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,000.20 : 412,500.30 = 164,408.20 : x
  2. Step 2: Convert to fraction form
    275,000.20/412,500.30 = 164,408.20/x
  3. Step 3: Cross multiply
    275,000.20x = 412,500.30 × 164,408.20
  4. Step 4: Simplify right side
    275,000.20x = 67,818,431,822.46
  5. Step 5: Solve for x
    x = 67,818,431,822.46/275,000.20
  6. Step 6: Final answer
    x = 246,612.30

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1.5x scale

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.