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Finding the Fourth Proportional to 421,635.08, 631,439.16 and 241,173.41

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Solution

The fourth proportional to 421,635.08, 631,439.16 and 241,173.41 is: 361,180.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,635.08 : 631,439.16 = 241,173.41 : x
  2. Step 2: Convert to fraction form
    421,635.08/631,439.16 = 241,173.41/x
  3. Step 3: Cross multiply
    421,635.08x = 631,439.16 × 241,173.41
  4. Step 4: Simplify right side
    421,635.08x = 152,286,335,424.74
  5. Step 5: Solve for x
    x = 152,286,335,424.74/421,635.08
  6. Step 6: Final answer
    x = 361,180.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.