Home / 219,805.04-303,467.24-168,720

Finding the Fourth Proportional to 219,805.04, 303,467.24 and 168,720

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Solution

The fourth proportional to 219,805.04, 303,467.24 and 168,720 is: 232,938.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,805.04 : 303,467.24 = 168,720 : x
  2. Step 2: Convert to fraction form
    219,805.04/303,467.24 = 168,720/x
  3. Step 3: Cross multiply
    219,805.04x = 303,467.24 × 168,720
  4. Step 4: Simplify right side
    219,805.04x = 51,200,992,732.80
  5. Step 5: Solve for x
    x = 51,200,992,732.80/219,805.04
  6. Step 6: Final answer
    x = 232,938.21

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1.5x scale

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.