Home / 384,247.38-576,358.76-173,885.31

Finding the Fourth Proportional to 384,247.38, 576,358.76 and 173,885.31

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Solution

The fourth proportional to 384,247.38, 576,358.76 and 173,885.31 is: 260,822.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,247.38 : 576,358.76 = 173,885.31 : x
  2. Step 2: Convert to fraction form
    384,247.38/576,358.76 = 173,885.31/x
  3. Step 3: Cross multiply
    384,247.38x = 576,358.76 × 173,885.31
  4. Step 4: Simplify right side
    384,247.38x = 100,220,320,784.39
  5. Step 5: Solve for x
    x = 100,220,320,784.39/384,247.38
  6. Step 6: Final answer
    x = 260,822.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.