Home / 253,470.58-349,778.38-140,286.58

Finding the Fourth Proportional to 253,470.58, 349,778.38 and 140,286.58

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Solution

The fourth proportional to 253,470.58, 349,778.38 and 140,286.58 is: 193,589.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,470.58 : 349,778.38 = 140,286.58 : x
  2. Step 2: Convert to fraction form
    253,470.58/349,778.38 = 140,286.58/x
  3. Step 3: Cross multiply
    253,470.58x = 349,778.38 × 140,286.58
  4. Step 4: Simplify right side
    253,470.58x = 49,069,212,688.14
  5. Step 5: Solve for x
    x = 49,069,212,688.14/253,470.58
  6. Step 6: Final answer
    x = 193,589.38

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1.5x scale

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.