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Finding the Fourth Proportional to 352,597.29, 486,464.09 and 225,346.29

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Solution

The fourth proportional to 352,597.29, 486,464.09 and 225,346.29 is: 310,901.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,597.29 : 486,464.09 = 225,346.29 : x
  2. Step 2: Convert to fraction form
    352,597.29/486,464.09 = 225,346.29/x
  3. Step 3: Cross multiply
    352,597.29x = 486,464.09 × 225,346.29
  4. Step 4: Simplify right side
    352,597.29x = 109,622,877,899.73
  5. Step 5: Solve for x
    x = 109,622,877,899.73/352,597.29
  6. Step 6: Final answer
    x = 310,901.08

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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.