Home / 263,288.16-363,336.57-142,429.16

Finding the Fourth Proportional to 263,288.16, 363,336.57 and 142,429.16

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Solution

The fourth proportional to 263,288.16, 363,336.57 and 142,429.16 is: 196,551.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,288.16 : 363,336.57 = 142,429.16 : x
  2. Step 2: Convert to fraction form
    263,288.16/363,336.57 = 142,429.16/x
  3. Step 3: Cross multiply
    263,288.16x = 363,336.57 × 142,429.16
  4. Step 4: Simplify right side
    263,288.16x = 51,749,723,370.72
  5. Step 5: Solve for x
    x = 51,749,723,370.72/263,288.16
  6. Step 6: Final answer
    x = 196,551.65

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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.