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Finding the Fourth Proportional to 270,388, 405,582 and 73,396

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Solution

The fourth proportional to 270,388, 405,582 and 73,396 is: 110,094

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,388 : 405,582 = 73,396 : x
  2. Step 2: Convert to fraction form
    270,388/405,582 = 73,396/x
  3. Step 3: Cross multiply
    270,388x = 405,582 × 73,396
  4. Step 4: Simplify right side
    270,388x = 29,768,096,472
  5. Step 5: Solve for x
    x = 29,768,096,472/270,388
  6. Step 6: Final answer
    x = 110,094

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