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Finding the Fourth Proportional to 224,133.45, 336,200.18 and 81,978.45

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Solution

The fourth proportional to 224,133.45, 336,200.18 and 81,978.45 is: 122,967.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,133.45 : 336,200.18 = 81,978.45 : x
  2. Step 2: Convert to fraction form
    224,133.45/336,200.18 = 81,978.45/x
  3. Step 3: Cross multiply
    224,133.45x = 336,200.18 × 81,978.45
  4. Step 4: Simplify right side
    224,133.45x = 27,561,169,236.23
  5. Step 5: Solve for x
    x = 27,561,169,236.23/224,133.45
  6. Step 6: Final answer
    x = 122,967.68

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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.