Home / 351,186.86-484,637.28-198,257.24

Finding the Fourth Proportional to 351,186.86, 484,637.28 and 198,257.24

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Solution

The fourth proportional to 351,186.86, 484,637.28 and 198,257.24 is: 273,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,186.86 : 484,637.28 = 198,257.24 : x
  2. Step 2: Convert to fraction form
    351,186.86/484,637.28 = 198,257.24/x
  3. Step 3: Cross multiply
    351,186.86x = 484,637.28 × 198,257.24
  4. Step 4: Simplify right side
    351,186.86x = 96,082,847,110.72
  5. Step 5: Solve for x
    x = 96,082,847,110.72/351,186.86
  6. Step 6: Final answer
    x = 273,594.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.