Home / 309,578.24-464,367.85-84,941.75

Finding the Fourth Proportional to 309,578.24, 464,367.85 and 84,941.75

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Solution

The fourth proportional to 309,578.24, 464,367.85 and 84,941.75 is: 127,412.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,578.24 : 464,367.85 = 84,941.75 : x
  2. Step 2: Convert to fraction form
    309,578.24/464,367.85 = 84,941.75/x
  3. Step 3: Cross multiply
    309,578.24x = 464,367.85 × 84,941.75
  4. Step 4: Simplify right side
    309,578.24x = 39,444,217,822.74
  5. Step 5: Solve for x
    x = 39,444,217,822.74/309,578.24
  6. Step 6: Final answer
    x = 127,412.76

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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.