Home / 304,114.20-455,480.10-192,139.80

Finding the Fourth Proportional to 304,114.20, 455,480.10 and 192,139.80

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Solution

The fourth proportional to 304,114.20, 455,480.10 and 192,139.80 is: 287,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,114.20 : 455,480.10 = 192,139.80 : x
  2. Step 2: Convert to fraction form
    304,114.20/455,480.10 = 192,139.80/x
  3. Step 3: Cross multiply
    304,114.20x = 455,480.10 × 192,139.80
  4. Step 4: Simplify right side
    304,114.20x = 87,515,855,317.98
  5. Step 5: Solve for x
    x = 87,515,855,317.98/304,114.20
  6. Step 6: Final answer
    x = 287,773.00

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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.