Home / 355,209.50-533,077.23-168,221.54

Finding the Fourth Proportional to 355,209.50, 533,077.23 and 168,221.54

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Solution

The fourth proportional to 355,209.50, 533,077.23 and 168,221.54 is: 252,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,209.50 : 533,077.23 = 168,221.54 : x
  2. Step 2: Convert to fraction form
    355,209.50/533,077.23 = 168,221.54/x
  3. Step 3: Cross multiply
    355,209.50x = 533,077.23 × 168,221.54
  4. Step 4: Simplify right side
    355,209.50x = 89,675,072,569.53
  5. Step 5: Solve for x
    x = 89,675,072,569.53/355,209.50
  6. Step 6: Final answer
    x = 252,456.85

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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.