Home / 255,007.19-351,898.82-140,278.56

Finding the Fourth Proportional to 255,007.19, 351,898.82 and 140,278.56

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Solution

The fourth proportional to 255,007.19, 351,898.82 and 140,278.56 is: 193,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,007.19 : 351,898.82 = 140,278.56 : x
  2. Step 2: Convert to fraction form
    255,007.19/351,898.82 = 140,278.56/x
  3. Step 3: Cross multiply
    255,007.19x = 351,898.82 × 140,278.56
  4. Step 4: Simplify right side
    255,007.19x = 49,363,857,975.81
  5. Step 5: Solve for x
    x = 49,363,857,975.81/255,007.19
  6. Step 6: Final answer
    x = 193,578.30

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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.