Home / 384,788.67-531,004.44-215,022.79

Finding the Fourth Proportional to 384,788.67, 531,004.44 and 215,022.79

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Solution

The fourth proportional to 384,788.67, 531,004.44 and 215,022.79 is: 296,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,788.67 : 531,004.44 = 215,022.79 : x
  2. Step 2: Convert to fraction form
    384,788.67/531,004.44 = 215,022.79/x
  3. Step 3: Cross multiply
    384,788.67x = 531,004.44 × 215,022.79
  4. Step 4: Simplify right side
    384,788.67x = 114,178,056,191.19
  5. Step 5: Solve for x
    x = 114,178,056,191.19/384,788.67
  6. Step 6: Final answer
    x = 296,729.26

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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.