Home / 274,569.07-378,709.95-251,981.02

Finding the Fourth Proportional to 274,569.07, 378,709.95 and 251,981.02

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Solution

The fourth proportional to 274,569.07, 378,709.95 and 251,981.02 is: 347,554.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,569.07 : 378,709.95 = 251,981.02 : x
  2. Step 2: Convert to fraction form
    274,569.07/378,709.95 = 251,981.02/x
  3. Step 3: Cross multiply
    274,569.07x = 378,709.95 × 251,981.02
  4. Step 4: Simplify right side
    274,569.07x = 95,427,719,485.15
  5. Step 5: Solve for x
    x = 95,427,719,485.15/274,569.07
  6. Step 6: Final answer
    x = 347,554.51

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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.