Home / 309,484.69-464,227.03-204,279.05

Finding the Fourth Proportional to 309,484.69, 464,227.03 and 204,279.05

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Solution

The fourth proportional to 309,484.69, 464,227.03 and 204,279.05 is: 306,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,484.69 : 464,227.03 = 204,279.05 : x
  2. Step 2: Convert to fraction form
    309,484.69/464,227.03 = 204,279.05/x
  3. Step 3: Cross multiply
    309,484.69x = 464,227.03 × 204,279.05
  4. Step 4: Simplify right side
    309,484.69x = 94,831,856,672.72
  5. Step 5: Solve for x
    x = 94,831,856,672.72/309,484.69
  6. Step 6: Final answer
    x = 306,418.57

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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.