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Finding the Fourth Proportional to 266,172.84, 367,302.82 and 145,290.12

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Solution

The fourth proportional to 266,172.84, 367,302.82 and 145,290.12 is: 200,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,172.84 : 367,302.82 = 145,290.12 : x
  2. Step 2: Convert to fraction form
    266,172.84/367,302.82 = 145,290.12/x
  3. Step 3: Cross multiply
    266,172.84x = 367,302.82 × 145,290.12
  4. Step 4: Simplify right side
    266,172.84x = 53,365,470,794.14
  5. Step 5: Solve for x
    x = 53,365,470,794.14/266,172.84
  6. Step 6: Final answer
    x = 200,491.80

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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.