Home / 285,307.21-427,800.49-195,451.24

Finding the Fourth Proportional to 285,307.21, 427,800.49 and 195,451.24

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Solution

The fourth proportional to 285,307.21, 427,800.49 and 195,451.24 is: 293,067.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,307.21 : 427,800.49 = 195,451.24 : x
  2. Step 2: Convert to fraction form
    285,307.21/427,800.49 = 195,451.24/x
  3. Step 3: Cross multiply
    285,307.21x = 427,800.49 × 195,451.24
  4. Step 4: Simplify right side
    285,307.21x = 83,614,134,684.98
  5. Step 5: Solve for x
    x = 83,614,134,684.98/285,307.21
  6. Step 6: Final answer
    x = 293,067.03

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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.