Home / 291,136.04-436,556.34-133,229.20

Finding the Fourth Proportional to 291,136.04, 436,556.34 and 133,229.20

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Solution

The fourth proportional to 291,136.04, 436,556.34 and 133,229.20 is: 199,776.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,136.04 : 436,556.34 = 133,229.20 : x
  2. Step 2: Convert to fraction form
    291,136.04/436,556.34 = 133,229.20/x
  3. Step 3: Cross multiply
    291,136.04x = 436,556.34 × 133,229.20
  4. Step 4: Simplify right side
    291,136.04x = 58,162,051,933.13
  5. Step 5: Solve for x
    x = 58,162,051,933.13/291,136.04
  6. Step 6: Final answer
    x = 199,776.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.