Home / 294,787.57-406,757.13-165,709

Finding the Fourth Proportional to 294,787.57, 406,757.13 and 165,709

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Solution

The fourth proportional to 294,787.57, 406,757.13 and 165,709 is: 228,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,787.57 : 406,757.13 = 165,709 : x
  2. Step 2: Convert to fraction form
    294,787.57/406,757.13 = 165,709/x
  3. Step 3: Cross multiply
    294,787.57x = 406,757.13 × 165,709
  4. Step 4: Simplify right side
    294,787.57x = 67,403,317,255.17
  5. Step 5: Solve for x
    x = 67,403,317,255.17/294,787.57
  6. Step 6: Final answer
    x = 228,650.47

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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.