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Finding the Fourth Proportional to 352,813.51, 486,924.38 and 209,574.13

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Solution

The fourth proportional to 352,813.51, 486,924.38 and 209,574.13 is: 289,237.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,813.51 : 486,924.38 = 209,574.13 : x
  2. Step 2: Convert to fraction form
    352,813.51/486,924.38 = 209,574.13/x
  3. Step 3: Cross multiply
    352,813.51x = 486,924.38 × 209,574.13
  4. Step 4: Simplify right side
    352,813.51x = 102,046,753,314.29
  5. Step 5: Solve for x
    x = 102,046,753,314.29/352,813.51
  6. Step 6: Final answer
    x = 289,237.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.