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Finding the Fourth Proportional to 223,534.62, 308,399.49 and 126,724.32

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Solution

The fourth proportional to 223,534.62, 308,399.49 and 126,724.32 is: 174,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,534.62 : 308,399.49 = 126,724.32 : x
  2. Step 2: Convert to fraction form
    223,534.62/308,399.49 = 126,724.32/x
  3. Step 3: Cross multiply
    223,534.62x = 308,399.49 × 126,724.32
  4. Step 4: Simplify right side
    223,534.62x = 39,081,715,658.60
  5. Step 5: Solve for x
    x = 39,081,715,658.60/223,534.62
  6. Step 6: Final answer
    x = 174,835.18

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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.