Home / 242,359.87-334,370.05-140,329.64

Finding the Fourth Proportional to 242,359.87, 334,370.05 and 140,329.64

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Solution

The fourth proportional to 242,359.87, 334,370.05 and 140,329.64 is: 193,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,359.87 : 334,370.05 = 140,329.64 : x
  2. Step 2: Convert to fraction form
    242,359.87/334,370.05 = 140,329.64/x
  3. Step 3: Cross multiply
    242,359.87x = 334,370.05 × 140,329.64
  4. Step 4: Simplify right side
    242,359.87x = 46,922,029,390.79
  5. Step 5: Solve for x
    x = 46,922,029,390.79/242,359.87
  6. Step 6: Final answer
    x = 193,604.78

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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.