Home / 399,176.70-598,929.09-146,578.20

Finding the Fourth Proportional to 399,176.70, 598,929.09 and 146,578.20

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Solution

The fourth proportional to 399,176.70, 598,929.09 and 146,578.20 is: 219,927.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,176.70 : 598,929.09 = 146,578.20 : x
  2. Step 2: Convert to fraction form
    399,176.70/598,929.09 = 146,578.20/x
  3. Step 3: Cross multiply
    399,176.70x = 598,929.09 × 146,578.20
  4. Step 4: Simplify right side
    399,176.70x = 87,789,947,939.84
  5. Step 5: Solve for x
    x = 87,789,947,939.84/399,176.70
  6. Step 6: Final answer
    x = 219,927.54

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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.