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Finding the Fourth Proportional to 252,999.36, 349,139.16 and 139,822.14

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Solution

The fourth proportional to 252,999.36, 349,139.16 and 139,822.14 is: 192,954.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,999.36 : 349,139.16 = 139,822.14 : x
  2. Step 2: Convert to fraction form
    252,999.36/349,139.16 = 139,822.14/x
  3. Step 3: Cross multiply
    252,999.36x = 349,139.16 × 139,822.14
  4. Step 4: Simplify right side
    252,999.36x = 48,817,384,509.00
  5. Step 5: Solve for x
    x = 48,817,384,509.00/252,999.36
  6. Step 6: Final answer
    x = 192,954.58

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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.