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Finding the Fourth Proportional to 222,909.95, 307,615.68 and 127,418.70

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Solution

The fourth proportional to 222,909.95, 307,615.68 and 127,418.70 is: 175,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,909.95 : 307,615.68 = 127,418.70 : x
  2. Step 2: Convert to fraction form
    222,909.95/307,615.68 = 127,418.70/x
  3. Step 3: Cross multiply
    222,909.95x = 307,615.68 × 127,418.70
  4. Step 4: Simplify right side
    222,909.95x = 39,195,990,045.22
  5. Step 5: Solve for x
    x = 39,195,990,045.22/222,909.95
  6. Step 6: Final answer
    x = 175,837.77

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