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Finding the Fourth Proportional to 540,773.82, 811,277.10 and 161,724.60

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Solution

The fourth proportional to 540,773.82, 811,277.10 and 161,724.60 is: 242,621.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,773.82 : 811,277.10 = 161,724.60 : x
  2. Step 2: Convert to fraction form
    540,773.82/811,277.10 = 161,724.60/x
  3. Step 3: Cross multiply
    540,773.82x = 811,277.10 × 161,724.60
  4. Step 4: Simplify right side
    540,773.82x = 131,203,464,486.66
  5. Step 5: Solve for x
    x = 131,203,464,486.66/540,773.82
  6. Step 6: Final answer
    x = 242,621.70

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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.