Home / 326,136.42-449,982.72-188,281.62

Finding the Fourth Proportional to 326,136.42, 449,982.72 and 188,281.62

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Solution

The fourth proportional to 326,136.42, 449,982.72 and 188,281.62 is: 259,779.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,136.42 : 449,982.72 = 188,281.62 : x
  2. Step 2: Convert to fraction form
    326,136.42/449,982.72 = 188,281.62/x
  3. Step 3: Cross multiply
    326,136.42x = 449,982.72 × 188,281.62
  4. Step 4: Simplify right side
    326,136.42x = 84,723,475,493.61
  5. Step 5: Solve for x
    x = 84,723,475,493.61/326,136.42
  6. Step 6: Final answer
    x = 259,779.25

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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.