Home / 384,236.20-576,455.10-147,586.60

Finding the Fourth Proportional to 384,236.20, 576,455.10 and 147,586.60

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Solution

The fourth proportional to 384,236.20, 576,455.10 and 147,586.60 is: 221,418.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,236.20 : 576,455.10 = 147,586.60 : x
  2. Step 2: Convert to fraction form
    384,236.20/576,455.10 = 147,586.60/x
  3. Step 3: Cross multiply
    384,236.20x = 576,455.10 × 147,586.60
  4. Step 4: Simplify right side
    384,236.20x = 85,077,048,261.66
  5. Step 5: Solve for x
    x = 85,077,048,261.66/384,236.20
  6. Step 6: Final answer
    x = 221,418.62

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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.