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Finding the Fourth Proportional to 321,505.82, 482,160.24 and 222,303.50

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Solution

The fourth proportional to 321,505.82, 482,160.24 and 222,303.50 is: 333,387.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,505.82 : 482,160.24 = 222,303.50 : x
  2. Step 2: Convert to fraction form
    321,505.82/482,160.24 = 222,303.50/x
  3. Step 3: Cross multiply
    321,505.82x = 482,160.24 × 222,303.50
  4. Step 4: Simplify right side
    321,505.82x = 107,185,907,707.44
  5. Step 5: Solve for x
    x = 107,185,907,707.44/321,505.82
  6. Step 6: Final answer
    x = 333,387.15

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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.