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Finding the Fourth Proportional to 352,712.71, 486,883.12 and 245,345.05

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Solution

The fourth proportional to 352,712.71, 486,883.12 and 245,345.05 is: 338,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,712.71 : 486,883.12 = 245,345.05 : x
  2. Step 2: Convert to fraction form
    352,712.71/486,883.12 = 245,345.05/x
  3. Step 3: Cross multiply
    352,712.71x = 486,883.12 × 245,345.05
  4. Step 4: Simplify right side
    352,712.71x = 119,454,360,986.14
  5. Step 5: Solve for x
    x = 119,454,360,986.14/352,712.71
  6. Step 6: Final answer
    x = 338,673.26

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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.