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Finding the Fourth Proportional to 540,265.80, 810,507.24 and 161,192.28

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Solution

The fourth proportional to 540,265.80, 810,507.24 and 161,192.28 is: 241,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,265.80 : 810,507.24 = 161,192.28 : x
  2. Step 2: Convert to fraction form
    540,265.80/810,507.24 = 161,192.28/x
  3. Step 3: Cross multiply
    540,265.80x = 810,507.24 × 161,192.28
  4. Step 4: Simplify right side
    540,265.80x = 130,647,509,972.11
  5. Step 5: Solve for x
    x = 130,647,509,972.11/540,265.80
  6. Step 6: Final answer
    x = 241,820.80

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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.