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Finding the Fourth Proportional to 252,957.54, 349,067.70 and 139,773

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Solution

The fourth proportional to 252,957.54, 349,067.70 and 139,773 is: 192,879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,957.54 : 349,067.70 = 139,773 : x
  2. Step 2: Convert to fraction form
    252,957.54/349,067.70 = 139,773/x
  3. Step 3: Cross multiply
    252,957.54x = 349,067.70 × 139,773
  4. Step 4: Simplify right side
    252,957.54x = 48,790,239,632.10
  5. Step 5: Solve for x
    x = 48,790,239,632.10/252,957.54
  6. Step 6: Final answer
    x = 192,879.17

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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.