Home / 274,318.92-378,551.29-153,457.59

Finding the Fourth Proportional to 274,318.92, 378,551.29 and 153,457.59

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Solution

The fourth proportional to 274,318.92, 378,551.29 and 153,457.59 is: 211,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,318.92 : 378,551.29 = 153,457.59 : x
  2. Step 2: Convert to fraction form
    274,318.92/378,551.29 = 153,457.59/x
  3. Step 3: Cross multiply
    274,318.92x = 378,551.29 × 153,457.59
  4. Step 4: Simplify right side
    274,318.92x = 58,091,567,849.10
  5. Step 5: Solve for x
    x = 58,091,567,849.10/274,318.92
  6. Step 6: Final answer
    x = 211,766.54

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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.