Home / 342,542.36-513,148.62-252,421.50

Finding the Fourth Proportional to 342,542.36, 513,148.62 and 252,421.50

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Solution

The fourth proportional to 342,542.36, 513,148.62 and 252,421.50 is: 378,142.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,542.36 : 513,148.62 = 252,421.50 : x
  2. Step 2: Convert to fraction form
    342,542.36/513,148.62 = 252,421.50/x
  3. Step 3: Cross multiply
    342,542.36x = 513,148.62 × 252,421.50
  4. Step 4: Simplify right side
    342,542.36x = 129,529,744,383.33
  5. Step 5: Solve for x
    x = 129,529,744,383.33/342,542.36
  6. Step 6: Final answer
    x = 378,142.27

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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.