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Finding the Fourth Proportional to 367,111.46, 550,693.71 and 153,664.71

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Solution

The fourth proportional to 367,111.46, 550,693.71 and 153,664.71 is: 230,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,111.46 : 550,693.71 = 153,664.71 : x
  2. Step 2: Convert to fraction form
    367,111.46/550,693.71 = 153,664.71/x
  3. Step 3: Cross multiply
    367,111.46x = 550,693.71 × 153,664.71
  4. Step 4: Simplify right side
    367,111.46x = 84,622,189,245.97
  5. Step 5: Solve for x
    x = 84,622,189,245.97/367,111.46
  6. Step 6: Final answer
    x = 230,508.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.