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Finding the Fourth Proportional to 146,152.70, 219,212.85 and 40,982.30

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Solution

The fourth proportional to 146,152.70, 219,212.85 and 40,982.30 is: 61,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,152.70 : 219,212.85 = 40,982.30 : x
  2. Step 2: Convert to fraction form
    146,152.70/219,212.85 = 40,982.30/x
  3. Step 3: Cross multiply
    146,152.70x = 219,212.85 × 40,982.30
  4. Step 4: Simplify right side
    146,152.70x = 8,983,846,782.56
  5. Step 5: Solve for x
    x = 8,983,846,782.56/146,152.70
  6. Step 6: Final answer
    x = 61,468.91

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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.