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Finding the Fourth Proportional to 540,969.62, 811,528.26 and 225,352.72

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Solution

The fourth proportional to 540,969.62, 811,528.26 and 225,352.72 is: 338,059.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,969.62 : 811,528.26 = 225,352.72 : x
  2. Step 2: Convert to fraction form
    540,969.62/811,528.26 = 225,352.72/x
  3. Step 3: Cross multiply
    540,969.62x = 811,528.26 × 225,352.72
  4. Step 4: Simplify right side
    540,969.62x = 182,880,100,747.87
  5. Step 5: Solve for x
    x = 182,880,100,747.87/540,969.62
  6. Step 6: Final answer
    x = 338,059.84

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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.