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Finding the Fourth Proportional to 550,706.22, 825,715.08 and 230,771.61

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Solution

The fourth proportional to 550,706.22, 825,715.08 and 230,771.61 is: 346,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,706.22 : 825,715.08 = 230,771.61 : x
  2. Step 2: Convert to fraction form
    550,706.22/825,715.08 = 230,771.61/x
  3. Step 3: Cross multiply
    550,706.22x = 825,715.08 × 230,771.61
  4. Step 4: Simplify right side
    550,706.22x = 190,551,598,412.88
  5. Step 5: Solve for x
    x = 190,551,598,412.88/550,706.22
  6. Step 6: Final answer
    x = 346,013.16

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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.