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Finding the Fourth Proportional to 224,046.09, 308,975.85 and 163,520.91

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Solution

The fourth proportional to 224,046.09, 308,975.85 and 163,520.91 is: 225,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,046.09 : 308,975.85 = 163,520.91 : x
  2. Step 2: Convert to fraction form
    224,046.09/308,975.85 = 163,520.91/x
  3. Step 3: Cross multiply
    224,046.09x = 308,975.85 × 163,520.91
  4. Step 4: Simplify right side
    224,046.09x = 50,524,012,160.02
  5. Step 5: Solve for x
    x = 50,524,012,160.02/224,046.09
  6. Step 6: Final answer
    x = 225,507.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.