Home / 255,587.59-383,381.33-68,599.09

Finding the Fourth Proportional to 255,587.59, 383,381.33 and 68,599.09

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Solution

The fourth proportional to 255,587.59, 383,381.33 and 68,599.09 is: 102,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,587.59 : 383,381.33 = 68,599.09 : x
  2. Step 2: Convert to fraction form
    255,587.59/383,381.33 = 68,599.09/x
  3. Step 3: Cross multiply
    255,587.59x = 383,381.33 × 68,599.09
  4. Step 4: Simplify right side
    255,587.59x = 26,299,608,533.64
  5. Step 5: Solve for x
    x = 26,299,608,533.64/255,587.59
  6. Step 6: Final answer
    x = 102,898.61

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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.