Home / 347,427.09-479,409.10-194,473.85

Finding the Fourth Proportional to 347,427.09, 479,409.10 and 194,473.85

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Solution

The fourth proportional to 347,427.09, 479,409.10 and 194,473.85 is: 268,351.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,427.09 : 479,409.10 = 194,473.85 : x
  2. Step 2: Convert to fraction form
    347,427.09/479,409.10 = 194,473.85/x
  3. Step 3: Cross multiply
    347,427.09x = 479,409.10 × 194,473.85
  4. Step 4: Simplify right side
    347,427.09x = 93,232,530,518.80
  5. Step 5: Solve for x
    x = 93,232,530,518.80/347,427.09
  6. Step 6: Final answer
    x = 268,351.36

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1.5x scale

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.