Home / 435,669.20-653,244.60-225,717.20

Finding the Fourth Proportional to 435,669.20, 653,244.60 and 225,717.20

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Solution

The fourth proportional to 435,669.20, 653,244.60 and 225,717.20 is: 338,441.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,669.20 : 653,244.60 = 225,717.20 : x
  2. Step 2: Convert to fraction form
    435,669.20/653,244.60 = 225,717.20/x
  3. Step 3: Cross multiply
    435,669.20x = 653,244.60 × 225,717.20
  4. Step 4: Simplify right side
    435,669.20x = 147,448,542,027.12
  5. Step 5: Solve for x
    x = 147,448,542,027.12/435,669.20
  6. Step 6: Final answer
    x = 338,441.51

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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.