Home / 255,005.28-351,907.29-140,285.52

Finding the Fourth Proportional to 255,005.28, 351,907.29 and 140,285.52

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Solution

The fourth proportional to 255,005.28, 351,907.29 and 140,285.52 is: 193,594.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,005.28 : 351,907.29 = 140,285.52 : x
  2. Step 2: Convert to fraction form
    255,005.28/351,907.29 = 140,285.52/x
  3. Step 3: Cross multiply
    255,005.28x = 351,907.29 × 140,285.52
  4. Step 4: Simplify right side
    255,005.28x = 49,367,497,169.44
  5. Step 5: Solve for x
    x = 49,367,497,169.44/255,005.28
  6. Step 6: Final answer
    x = 193,594.02

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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.