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Finding the Fourth Proportional to 246,468.30, 340,125.53 and 139,038

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Solution

The fourth proportional to 246,468.30, 340,125.53 and 139,038 is: 191,872.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,468.30 : 340,125.53 = 139,038 : x
  2. Step 2: Convert to fraction form
    246,468.30/340,125.53 = 139,038/x
  3. Step 3: Cross multiply
    246,468.30x = 340,125.53 × 139,038
  4. Step 4: Simplify right side
    246,468.30x = 47,290,372,744.95
  5. Step 5: Solve for x
    x = 47,290,372,744.95/246,468.30
  6. Step 6: Final answer
    x = 191,872.03

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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.