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Finding the Fourth Proportional to 252,996, 349,129.80 and 139,816.32

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Solution

The fourth proportional to 252,996, 349,129.80 and 139,816.32 is: 192,943.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,996 : 349,129.80 = 139,816.32 : x
  2. Step 2: Convert to fraction form
    252,996/349,129.80 = 139,816.32/x
  3. Step 3: Cross multiply
    252,996x = 349,129.80 × 139,816.32
  4. Step 4: Simplify right side
    252,996x = 48,814,043,838.34
  5. Step 5: Solve for x
    x = 48,814,043,838.34/252,996
  6. Step 6: Final answer
    x = 192,943.94

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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.