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Finding the Fourth Proportional to 437,442, 603,670.08 and 236,238

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Solution

The fourth proportional to 437,442, 603,670.08 and 236,238 is: 326,008.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,442 : 603,670.08 = 236,238 : x
  2. Step 2: Convert to fraction form
    437,442/603,670.08 = 236,238/x
  3. Step 3: Cross multiply
    437,442x = 603,670.08 × 236,238
  4. Step 4: Simplify right side
    437,442x = 142,609,812,359.04
  5. Step 5: Solve for x
    x = 142,609,812,359.04/437,442
  6. Step 6: Final answer
    x = 326,008.50

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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.