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Finding the Fourth Proportional to 309,604, 427,293.84 and 182,291.36

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Solution

The fourth proportional to 309,604, 427,293.84 and 182,291.36 is: 251,585.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,604 : 427,293.84 = 182,291.36 : x
  2. Step 2: Convert to fraction form
    309,604/427,293.84 = 182,291.36/x
  3. Step 3: Cross multiply
    309,604x = 427,293.84 × 182,291.36
  4. Step 4: Simplify right side
    309,604x = 77,891,975,213.22
  5. Step 5: Solve for x
    x = 77,891,975,213.22/309,604
  6. Step 6: Final answer
    x = 251,585.82

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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.