Home / 385,579.06-532,093.89-215,813.14

Finding the Fourth Proportional to 385,579.06, 532,093.89 and 215,813.14

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Solution

The fourth proportional to 385,579.06, 532,093.89 and 215,813.14 is: 297,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,579.06 : 532,093.89 = 215,813.14 : x
  2. Step 2: Convert to fraction form
    385,579.06/532,093.89 = 215,813.14/x
  3. Step 3: Cross multiply
    385,579.06x = 532,093.89 × 215,813.14
  4. Step 4: Simplify right side
    385,579.06x = 114,832,853,175.72
  5. Step 5: Solve for x
    x = 114,832,853,175.72/385,579.06
  6. Step 6: Final answer
    x = 297,819.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.