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Finding the Fourth Proportional to 224,131.60, 335,902.20 and 164,688.40

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Solution

The fourth proportional to 224,131.60, 335,902.20 and 164,688.40 is: 246,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,131.60 : 335,902.20 = 164,688.40 : x
  2. Step 2: Convert to fraction form
    224,131.60/335,902.20 = 164,688.40/x
  3. Step 3: Cross multiply
    224,131.60x = 335,902.20 × 164,688.40
  4. Step 4: Simplify right side
    224,131.60x = 55,319,195,874.48
  5. Step 5: Solve for x
    x = 55,319,195,874.48/224,131.60
  6. Step 6: Final answer
    x = 246,815.69

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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.