Home / 355,708.72-533,523.75-89,469.33

Finding the Fourth Proportional to 355,708.72, 533,523.75 and 89,469.33

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Solution

The fourth proportional to 355,708.72, 533,523.75 and 89,469.33 is: 134,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,708.72 : 533,523.75 = 89,469.33 : x
  2. Step 2: Convert to fraction form
    355,708.72/533,523.75 = 89,469.33/x
  3. Step 3: Cross multiply
    355,708.72x = 533,523.75 × 89,469.33
  4. Step 4: Simplify right side
    355,708.72x = 47,734,012,451.59
  5. Step 5: Solve for x
    x = 47,734,012,451.59/355,708.72
  6. Step 6: Final answer
    x = 134,194.10

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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.