Home / 355,276.20-490,266.54-194,136.84

Finding the Fourth Proportional to 355,276.20, 490,266.54 and 194,136.84

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Solution

The fourth proportional to 355,276.20, 490,266.54 and 194,136.84 is: 267,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,276.20 : 490,266.54 = 194,136.84 : x
  2. Step 2: Convert to fraction form
    355,276.20/490,266.54 = 194,136.84/x
  3. Step 3: Cross multiply
    355,276.20x = 490,266.54 × 194,136.84
  4. Step 4: Simplify right side
    355,276.20x = 95,178,796,833.33
  5. Step 5: Solve for x
    x = 95,178,796,833.33/355,276.20
  6. Step 6: Final answer
    x = 267,900.85

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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.