Home / 304,062.20-455,402.10-192,087.80

Finding the Fourth Proportional to 304,062.20, 455,402.10 and 192,087.80

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Solution

The fourth proportional to 304,062.20, 455,402.10 and 192,087.80 is: 287,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,062.20 : 455,402.10 = 192,087.80 : x
  2. Step 2: Convert to fraction form
    304,062.20/455,402.10 = 192,087.80/x
  3. Step 3: Cross multiply
    304,062.20x = 455,402.10 × 192,087.80
  4. Step 4: Simplify right side
    304,062.20x = 87,477,187,504.38
  5. Step 5: Solve for x
    x = 87,477,187,504.38/304,062.20
  6. Step 6: Final answer
    x = 287,695.04

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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.