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Finding the Fourth Proportional to 224,280.51, 336,485.69 and 66,512.76

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Solution

The fourth proportional to 224,280.51, 336,485.69 and 66,512.76 is: 99,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,280.51 : 336,485.69 = 66,512.76 : x
  2. Step 2: Convert to fraction form
    224,280.51/336,485.69 = 66,512.76/x
  3. Step 3: Cross multiply
    224,280.51x = 336,485.69 × 66,512.76
  4. Step 4: Simplify right side
    224,280.51x = 22,380,591,942.40
  5. Step 5: Solve for x
    x = 22,380,591,942.40/224,280.51
  6. Step 6: Final answer
    x = 99,788.39

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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.