Home / 255,868.62-383,613.38-122,622

Finding the Fourth Proportional to 255,868.62, 383,613.38 and 122,622

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Solution

The fourth proportional to 255,868.62, 383,613.38 and 122,622 is: 183,842.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,868.62 : 383,613.38 = 122,622 : x
  2. Step 2: Convert to fraction form
    255,868.62/383,613.38 = 122,622/x
  3. Step 3: Cross multiply
    255,868.62x = 383,613.38 × 122,622
  4. Step 4: Simplify right side
    255,868.62x = 47,039,439,882.36
  5. Step 5: Solve for x
    x = 47,039,439,882.36/255,868.62
  6. Step 6: Final answer
    x = 183,842.16

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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.