Home / 384,930.29-531,157.43-212,825.00

Finding the Fourth Proportional to 384,930.29, 531,157.43 and 212,825.00

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Solution

The fourth proportional to 384,930.29, 531,157.43 and 212,825.00 is: 293,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,930.29 : 531,157.43 = 212,825.00 : x
  2. Step 2: Convert to fraction form
    384,930.29/531,157.43 = 212,825.00/x
  3. Step 3: Cross multiply
    384,930.29x = 531,157.43 × 212,825.00
  4. Step 4: Simplify right side
    384,930.29x = 113,043,576,319.84
  5. Step 5: Solve for x
    x = 113,043,576,319.84/384,930.29
  6. Step 6: Final answer
    x = 293,672.86

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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.