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Finding the Fourth Proportional to 222,987.55, 307,622.37 and 132,347.34

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Solution

The fourth proportional to 222,987.55, 307,622.37 and 132,347.34 is: 182,579.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,987.55 : 307,622.37 = 132,347.34 : x
  2. Step 2: Convert to fraction form
    222,987.55/307,622.37 = 132,347.34/x
  3. Step 3: Cross multiply
    222,987.55x = 307,622.37 × 132,347.34
  4. Step 4: Simplify right side
    222,987.55x = 40,713,002,394.00
  5. Step 5: Solve for x
    x = 40,713,002,394.00/222,987.55
  6. Step 6: Final answer
    x = 182,579.71

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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.