Home / 257,865.24-386,797.32-145,494.48

Finding the Fourth Proportional to 257,865.24, 386,797.32 and 145,494.48

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Solution

The fourth proportional to 257,865.24, 386,797.32 and 145,494.48 is: 218,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,865.24 : 386,797.32 = 145,494.48 : x
  2. Step 2: Convert to fraction form
    257,865.24/386,797.32 = 145,494.48/x
  3. Step 3: Cross multiply
    257,865.24x = 386,797.32 × 145,494.48
  4. Step 4: Simplify right side
    257,865.24x = 56,276,874,938.79
  5. Step 5: Solve for x
    x = 56,276,874,938.79/257,865.24
  6. Step 6: Final answer
    x = 218,241.42

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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.