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Finding the Fourth Proportional to 223,975.34, 309,086 and 123,373.34

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Solution

The fourth proportional to 223,975.34, 309,086 and 123,373.34 is: 170,255.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,975.34 : 309,086 = 123,373.34 : x
  2. Step 2: Convert to fraction form
    223,975.34/309,086 = 123,373.34/x
  3. Step 3: Cross multiply
    223,975.34x = 309,086 × 123,373.34
  4. Step 4: Simplify right side
    223,975.34x = 38,132,972,167.24
  5. Step 5: Solve for x
    x = 38,132,972,167.24/223,975.34
  6. Step 6: Final answer
    x = 170,255.23

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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.