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Finding the Fourth Proportional to 222,777.73, 307,449.56 and 127,282.37

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Solution

The fourth proportional to 222,777.73, 307,449.56 and 127,282.37 is: 175,658.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,777.73 : 307,449.56 = 127,282.37 : x
  2. Step 2: Convert to fraction form
    222,777.73/307,449.56 = 127,282.37/x
  3. Step 3: Cross multiply
    222,777.73x = 307,449.56 × 127,282.37
  4. Step 4: Simplify right side
    222,777.73x = 39,132,908,652.26
  5. Step 5: Solve for x
    x = 39,132,908,652.26/222,777.73
  6. Step 6: Final answer
    x = 175,658.98

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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.