Home / 540,732.48-811,142.16-161,625.60

Finding the Fourth Proportional to 540,732.48, 811,142.16 and 161,625.60

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Solution

The fourth proportional to 540,732.48, 811,142.16 and 161,625.60 is: 242,451.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,732.48 : 811,142.16 = 161,625.60 : x
  2. Step 2: Convert to fraction form
    540,732.48/811,142.16 = 161,625.60/x
  3. Step 3: Cross multiply
    540,732.48x = 811,142.16 × 161,625.60
  4. Step 4: Simplify right side
    540,732.48x = 131,101,338,295.30
  5. Step 5: Solve for x
    x = 131,101,338,295.30/540,732.48
  6. Step 6: Final answer
    x = 242,451.38

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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.