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Finding the Fourth Proportional to 437,438, 603,664.44 and 236,234

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Solution

The fourth proportional to 437,438, 603,664.44 and 236,234 is: 326,002.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,438 : 603,664.44 = 236,234 : x
  2. Step 2: Convert to fraction form
    437,438/603,664.44 = 236,234/x
  3. Step 3: Cross multiply
    437,438x = 603,664.44 × 236,234
  4. Step 4: Simplify right side
    437,438x = 142,606,065,318.96
  5. Step 5: Solve for x
    x = 142,606,065,318.96/437,438
  6. Step 6: Final answer
    x = 326,002.92

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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.