Home / 356,029.86-491,321.93-194,895.20

Finding the Fourth Proportional to 356,029.86, 491,321.93 and 194,895.20

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Solution

The fourth proportional to 356,029.86, 491,321.93 and 194,895.20 is: 268,955.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,029.86 : 491,321.93 = 194,895.20 : x
  2. Step 2: Convert to fraction form
    356,029.86/491,321.93 = 194,895.20/x
  3. Step 3: Cross multiply
    356,029.86x = 491,321.93 × 194,895.20
  4. Step 4: Simplify right side
    356,029.86x = 95,756,285,811.74
  5. Step 5: Solve for x
    x = 95,756,285,811.74/356,029.86
  6. Step 6: Final answer
    x = 268,955.77

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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.