Home / 332,403.20-498,021.60-272,916.80

Finding the Fourth Proportional to 332,403.20, 498,021.60 and 272,916.80

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Solution

The fourth proportional to 332,403.20, 498,021.60 and 272,916.80 is: 408,896.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,403.20 : 498,021.60 = 272,916.80 : x
  2. Step 2: Convert to fraction form
    332,403.20/498,021.60 = 272,916.80/x
  3. Step 3: Cross multiply
    332,403.20x = 498,021.60 × 272,916.80
  4. Step 4: Simplify right side
    332,403.20x = 135,918,461,402.88
  5. Step 5: Solve for x
    x = 135,918,461,402.88/332,403.20
  6. Step 6: Final answer
    x = 408,896.37

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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.