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Finding the Fourth Proportional to 224,214.88, 336,256.56 and 83,940.64

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Solution

The fourth proportional to 224,214.88, 336,256.56 and 83,940.64 is: 125,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,214.88 : 336,256.56 = 83,940.64 : x
  2. Step 2: Convert to fraction form
    224,214.88/336,256.56 = 83,940.64/x
  3. Step 3: Cross multiply
    224,214.88x = 336,256.56 × 83,940.64
  4. Step 4: Simplify right side
    224,214.88x = 28,225,590,850.60
  5. Step 5: Solve for x
    x = 28,225,590,850.60/224,214.88
  6. Step 6: Final answer
    x = 125,886.34

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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.