Home / 355,776.26-490,982.85-194,631.31

Finding the Fourth Proportional to 355,776.26, 490,982.85 and 194,631.31

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Solution

The fourth proportional to 355,776.26, 490,982.85 and 194,631.31 is: 268,597.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,776.26 : 490,982.85 = 194,631.31 : x
  2. Step 2: Convert to fraction form
    355,776.26/490,982.85 = 194,631.31/x
  3. Step 3: Cross multiply
    355,776.26x = 490,982.85 × 194,631.31
  4. Step 4: Simplify right side
    355,776.26x = 95,560,637,277.65
  5. Step 5: Solve for x
    x = 95,560,637,277.65/355,776.26
  6. Step 6: Final answer
    x = 268,597.57

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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.