Home / 385,297.03-531,737.94-215,585.83

Finding the Fourth Proportional to 385,297.03, 531,737.94 and 215,585.83

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Solution

The fourth proportional to 385,297.03, 531,737.94 and 215,585.83 is: 297,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,297.03 : 531,737.94 = 215,585.83 : x
  2. Step 2: Convert to fraction form
    385,297.03/531,737.94 = 215,585.83/x
  3. Step 3: Cross multiply
    385,297.03x = 531,737.94 × 215,585.83
  4. Step 4: Simplify right side
    385,297.03x = 114,635,165,137.39
  5. Step 5: Solve for x
    x = 114,635,165,137.39/385,297.03
  6. Step 6: Final answer
    x = 297,524.13

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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.