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Finding the Fourth Proportional to 322,744.04, 483,080.88 and 172,608.92

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Solution

The fourth proportional to 322,744.04, 483,080.88 and 172,608.92 is: 258,359.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,744.04 : 483,080.88 = 172,608.92 : x
  2. Step 2: Convert to fraction form
    322,744.04/483,080.88 = 172,608.92/x
  3. Step 3: Cross multiply
    322,744.04x = 483,080.88 × 172,608.92
  4. Step 4: Simplify right side
    322,744.04x = 83,384,068,969.45
  5. Step 5: Solve for x
    x = 83,384,068,969.45/322,744.04
  6. Step 6: Final answer
    x = 258,359.75

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1.5x scale

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.