Home / 254,430.72-381,208.68-198,249.12

Finding the Fourth Proportional to 254,430.72, 381,208.68 and 198,249.12

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Solution

The fourth proportional to 254,430.72, 381,208.68 and 198,249.12 is: 297,032.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,430.72 : 381,208.68 = 198,249.12 : x
  2. Step 2: Convert to fraction form
    254,430.72/381,208.68 = 198,249.12/x
  3. Step 3: Cross multiply
    254,430.72x = 381,208.68 × 198,249.12
  4. Step 4: Simplify right side
    254,430.72x = 75,574,285,346.36
  5. Step 5: Solve for x
    x = 75,574,285,346.36/254,430.72
  6. Step 6: Final answer
    x = 297,032.86

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1.5x scale

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.