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Finding the Fourth Proportional to 270,577.40, 405,866.10 and 269,022.20

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Solution

The fourth proportional to 270,577.40, 405,866.10 and 269,022.20 is: 403,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,577.40 : 405,866.10 = 269,022.20 : x
  2. Step 2: Convert to fraction form
    270,577.40/405,866.10 = 269,022.20/x
  3. Step 3: Cross multiply
    270,577.40x = 405,866.10 × 269,022.20
  4. Step 4: Simplify right side
    270,577.40x = 109,186,991,127.42
  5. Step 5: Solve for x
    x = 109,186,991,127.42/270,577.40
  6. Step 6: Final answer
    x = 403,533.30

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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.