Home / 274,569.82-378,710.98-251,981.77

Finding the Fourth Proportional to 274,569.82, 378,710.98 and 251,981.77

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Solution

The fourth proportional to 274,569.82, 378,710.98 and 251,981.77 is: 347,555.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,569.82 : 378,710.98 = 251,981.77 : x
  2. Step 2: Convert to fraction form
    274,569.82/378,710.98 = 251,981.77/x
  3. Step 3: Cross multiply
    274,569.82x = 378,710.98 × 251,981.77
  4. Step 4: Simplify right side
    274,569.82x = 95,428,263,058.83
  5. Step 5: Solve for x
    x = 95,428,263,058.83/274,569.82
  6. Step 6: Final answer
    x = 347,555.54

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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.