Home / 384,833.82-531,213.33-231,880.50

Finding the Fourth Proportional to 384,833.82, 531,213.33 and 231,880.50

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Solution

The fourth proportional to 384,833.82, 531,213.33 and 231,880.50 is: 320,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,833.82 : 531,213.33 = 231,880.50 : x
  2. Step 2: Convert to fraction form
    384,833.82/531,213.33 = 231,880.50/x
  3. Step 3: Cross multiply
    384,833.82x = 531,213.33 × 231,880.50
  4. Step 4: Simplify right side
    384,833.82x = 123,178,012,567.07
  5. Step 5: Solve for x
    x = 123,178,012,567.07/384,833.82
  6. Step 6: Final answer
    x = 320,081.05

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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.