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Finding the Fourth Proportional to 437,542, 603,808.20 and 236,338

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Solution

The fourth proportional to 437,542, 603,808.20 and 236,338 is: 326,146.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,542 : 603,808.20 = 236,338 : x
  2. Step 2: Convert to fraction form
    437,542/603,808.20 = 236,338/x
  3. Step 3: Cross multiply
    437,542x = 603,808.20 × 236,338
  4. Step 4: Simplify right side
    437,542x = 142,702,822,371.60
  5. Step 5: Solve for x
    x = 142,702,822,371.60/437,542
  6. Step 6: Final answer
    x = 326,146.57

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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.