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Finding the Fourth Proportional to 252,994.56, 349,118.76 and 139,810

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Solution

The fourth proportional to 252,994.56, 349,118.76 and 139,810 is: 192,930.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,994.56 : 349,118.76 = 139,810 : x
  2. Step 2: Convert to fraction form
    252,994.56/349,118.76 = 139,810/x
  3. Step 3: Cross multiply
    252,994.56x = 349,118.76 × 139,810
  4. Step 4: Simplify right side
    252,994.56x = 48,810,293,835.60
  5. Step 5: Solve for x
    x = 48,810,293,835.60/252,994.56
  6. Step 6: Final answer
    x = 192,930.21

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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.