Home / 355,435.20-533,186.22-130,799.94

Finding the Fourth Proportional to 355,435.20, 533,186.22 and 130,799.94

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Solution

The fourth proportional to 355,435.20, 533,186.22 and 130,799.94 is: 196,212.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,435.20 : 533,186.22 = 130,799.94 : x
  2. Step 2: Convert to fraction form
    355,435.20/533,186.22 = 130,799.94/x
  3. Step 3: Cross multiply
    355,435.20x = 533,186.22 × 130,799.94
  4. Step 4: Simplify right side
    355,435.20x = 69,740,725,584.83
  5. Step 5: Solve for x
    x = 69,740,725,584.83/355,435.20
  6. Step 6: Final answer
    x = 196,212.21

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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.