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Finding the Fourth Proportional to 255,758.45, 383,519.21 and 95,715.71

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Solution

The fourth proportional to 255,758.45, 383,519.21 and 95,715.71 is: 143,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,758.45 : 383,519.21 = 95,715.71 : x
  2. Step 2: Convert to fraction form
    255,758.45/383,519.21 = 95,715.71/x
  3. Step 3: Cross multiply
    255,758.45x = 383,519.21 × 95,715.71
  4. Step 4: Simplify right side
    255,758.45x = 36,708,812,525.81
  5. Step 5: Solve for x
    x = 36,708,812,525.81/255,758.45
  6. Step 6: Final answer
    x = 143,529.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.