Home / 356,313.02-491,712.18-195,170.77

Finding the Fourth Proportional to 356,313.02, 491,712.18 and 195,170.77

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Solution

The fourth proportional to 356,313.02, 491,712.18 and 195,170.77 is: 269,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,313.02 : 491,712.18 = 195,170.77 : x
  2. Step 2: Convert to fraction form
    356,313.02/491,712.18 = 195,170.77/x
  3. Step 3: Cross multiply
    356,313.02x = 491,712.18 × 195,170.77
  4. Step 4: Simplify right side
    356,313.02x = 95,967,844,788.98
  5. Step 5: Solve for x
    x = 95,967,844,788.98/356,313.02
  6. Step 6: Final answer
    x = 269,335.78

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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.