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Finding the Fourth Proportional to 220,102.60, 330,153.90 and 164,115.40

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Solution

The fourth proportional to 220,102.60, 330,153.90 and 164,115.40 is: 246,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,102.60 : 330,153.90 = 164,115.40 : x
  2. Step 2: Convert to fraction form
    220,102.60/330,153.90 = 164,115.40/x
  3. Step 3: Cross multiply
    220,102.60x = 330,153.90 × 164,115.40
  4. Step 4: Simplify right side
    220,102.60x = 54,183,339,360.06
  5. Step 5: Solve for x
    x = 54,183,339,360.06/220,102.60
  6. Step 6: Final answer
    x = 246,173.10

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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.