Home / 355,922.10-491,172.53-194,777.24

Finding the Fourth Proportional to 355,922.10, 491,172.53 and 194,777.24

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Solution

The fourth proportional to 355,922.10, 491,172.53 and 194,777.24 is: 268,792.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,922.10 : 491,172.53 = 194,777.24 : x
  2. Step 2: Convert to fraction form
    355,922.10/491,172.53 = 194,777.24/x
  3. Step 3: Cross multiply
    355,922.10x = 491,172.53 × 194,777.24
  4. Step 4: Simplify right side
    355,922.10x = 95,669,226,327.47
  5. Step 5: Solve for x
    x = 95,669,226,327.47/355,922.10
  6. Step 6: Final answer
    x = 268,792.60

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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.