Home / 355,834.90-491,047.74-194,687.62

Finding the Fourth Proportional to 355,834.90, 491,047.74 and 194,687.62

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Solution

The fourth proportional to 355,834.90, 491,047.74 and 194,687.62 is: 268,666.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,834.90 : 491,047.74 = 194,687.62 : x
  2. Step 2: Convert to fraction form
    355,834.90/491,047.74 = 194,687.62/x
  3. Step 3: Cross multiply
    355,834.90x = 491,047.74 × 194,687.62
  4. Step 4: Simplify right side
    355,834.90x = 95,600,915,806.98
  5. Step 5: Solve for x
    x = 95,600,915,806.98/355,834.90
  6. Step 6: Final answer
    x = 268,666.50

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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.