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Finding the Fourth Proportional to 329,270.88, 493,895.08 and 139,609.16

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Solution

The fourth proportional to 329,270.88, 493,895.08 and 139,609.16 is: 209,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,270.88 : 493,895.08 = 139,609.16 : x
  2. Step 2: Convert to fraction form
    329,270.88/493,895.08 = 139,609.16/x
  3. Step 3: Cross multiply
    329,270.88x = 493,895.08 × 139,609.16
  4. Step 4: Simplify right side
    329,270.88x = 68,952,277,246.93
  5. Step 5: Solve for x
    x = 68,952,277,246.93/329,270.88
  6. Step 6: Final answer
    x = 209,408.97

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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.