Home / 255,829.44-383,824.08-87,353.76

Finding the Fourth Proportional to 255,829.44, 383,824.08 and 87,353.76

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Solution

The fourth proportional to 255,829.44, 383,824.08 and 87,353.76 is: 131,057.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,829.44 : 383,824.08 = 87,353.76 : x
  2. Step 2: Convert to fraction form
    255,829.44/383,824.08 = 87,353.76/x
  3. Step 3: Cross multiply
    255,829.44x = 383,824.08 × 87,353.76
  4. Step 4: Simplify right side
    255,829.44x = 33,528,476,566.54
  5. Step 5: Solve for x
    x = 33,528,476,566.54/255,829.44
  6. Step 6: Final answer
    x = 131,057.93

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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.