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Finding the Fourth Proportional to 224,160, 336,305 and 66,392.25

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Solution

The fourth proportional to 224,160, 336,305 and 66,392.25 is: 99,607.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,160 : 336,305 = 66,392.25 : x
  2. Step 2: Convert to fraction form
    224,160/336,305 = 66,392.25/x
  3. Step 3: Cross multiply
    224,160x = 336,305 × 66,392.25
  4. Step 4: Simplify right side
    224,160x = 22,328,045,636.25
  5. Step 5: Solve for x
    x = 22,328,045,636.25/224,160
  6. Step 6: Final answer
    x = 99,607.63

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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.