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Finding the Fourth Proportional to 270,971.50, 406,371.10 and 253,281.36

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Solution

The fourth proportional to 270,971.50, 406,371.10 and 253,281.36 is: 379,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,971.50 : 406,371.10 = 253,281.36 : x
  2. Step 2: Convert to fraction form
    270,971.50/406,371.10 = 253,281.36/x
  3. Step 3: Cross multiply
    270,971.50x = 406,371.10 × 253,281.36
  4. Step 4: Simplify right side
    270,971.50x = 102,926,224,872.70
  5. Step 5: Solve for x
    x = 102,926,224,872.70/270,971.50
  6. Step 6: Final answer
    x = 379,841.51

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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.