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Finding the Fourth Proportional to 550,035.36, 759,083.85 and 308,318.04

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Solution

The fourth proportional to 550,035.36, 759,083.85 and 308,318.04 is: 425,498.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,035.36 : 759,083.85 = 308,318.04 : x
  2. Step 2: Convert to fraction form
    550,035.36/759,083.85 = 308,318.04/x
  3. Step 3: Cross multiply
    550,035.36x = 759,083.85 × 308,318.04
  4. Step 4: Simplify right side
    550,035.36x = 234,039,244,827.65
  5. Step 5: Solve for x
    x = 234,039,244,827.65/550,035.36
  6. Step 6: Final answer
    x = 425,498.54

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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.