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Finding the Fourth Proportional to 352,513.81, 486,417.73 and 201,581.65

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Solution

The fourth proportional to 352,513.81, 486,417.73 and 201,581.65 is: 278,153.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,513.81 : 486,417.73 = 201,581.65 : x
  2. Step 2: Convert to fraction form
    352,513.81/486,417.73 = 201,581.65/x
  3. Step 3: Cross multiply
    352,513.81x = 486,417.73 × 201,581.65
  4. Step 4: Simplify right side
    352,513.81x = 98,052,885,162.66
  5. Step 5: Solve for x
    x = 98,052,885,162.66/352,513.81
  6. Step 6: Final answer
    x = 278,153.32

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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.