Home / 427,105.44-640,717.02-146,586.24

Finding the Fourth Proportional to 427,105.44, 640,717.02 and 146,586.24

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Solution

The fourth proportional to 427,105.44, 640,717.02 and 146,586.24 is: 219,899.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,105.44 : 640,717.02 = 146,586.24 : x
  2. Step 2: Convert to fraction form
    427,105.44/640,717.02 = 146,586.24/x
  3. Step 3: Cross multiply
    427,105.44x = 640,717.02 × 146,586.24
  4. Step 4: Simplify right side
    427,105.44x = 93,920,298,865.80
  5. Step 5: Solve for x
    x = 93,920,298,865.80/427,105.44
  6. Step 6: Final answer
    x = 219,899.56

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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.