Home / 230,722.64-318,330.12-144,752.72

Finding the Fourth Proportional to 230,722.64, 318,330.12 and 144,752.72

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Solution

The fourth proportional to 230,722.64, 318,330.12 and 144,752.72 is: 199,716.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,722.64 : 318,330.12 = 144,752.72 : x
  2. Step 2: Convert to fraction form
    230,722.64/318,330.12 = 144,752.72/x
  3. Step 3: Cross multiply
    230,722.64x = 318,330.12 × 144,752.72
  4. Step 4: Simplify right side
    230,722.64x = 46,079,150,727.93
  5. Step 5: Solve for x
    x = 46,079,150,727.93/230,722.64
  6. Step 6: Final answer
    x = 199,716.64

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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.