Home / 355,145.18-490,092.30-194,000.94

Finding the Fourth Proportional to 355,145.18, 490,092.30 and 194,000.94

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Solution

The fourth proportional to 355,145.18, 490,092.30 and 194,000.94 is: 267,716.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,145.18 : 490,092.30 = 194,000.94 : x
  2. Step 2: Convert to fraction form
    355,145.18/490,092.30 = 194,000.94/x
  3. Step 3: Cross multiply
    355,145.18x = 490,092.30 × 194,000.94
  4. Step 4: Simplify right side
    355,145.18x = 95,078,366,886.76
  5. Step 5: Solve for x
    x = 95,078,366,886.76/355,145.18
  6. Step 6: Final answer
    x = 267,716.90

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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.