Home / 385,372.16-531,834.24-215,596.16

Finding the Fourth Proportional to 385,372.16, 531,834.24 and 215,596.16

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Solution

The fourth proportional to 385,372.16, 531,834.24 and 215,596.16 is: 297,534.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,372.16 : 531,834.24 = 215,596.16 : x
  2. Step 2: Convert to fraction form
    385,372.16/531,834.24 = 215,596.16/x
  3. Step 3: Cross multiply
    385,372.16x = 531,834.24 × 215,596.16
  4. Step 4: Simplify right side
    385,372.16x = 114,661,419,900.52
  5. Step 5: Solve for x
    x = 114,661,419,900.52/385,372.16
  6. Step 6: Final answer
    x = 297,534.26

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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.