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Finding the Fourth Proportional to 540,969.90, 811,528.68 and 225,353

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Solution

The fourth proportional to 540,969.90, 811,528.68 and 225,353 is: 338,060.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,969.90 : 811,528.68 = 225,353 : x
  2. Step 2: Convert to fraction form
    540,969.90/811,528.68 = 225,353/x
  3. Step 3: Cross multiply
    540,969.90x = 811,528.68 × 225,353
  4. Step 4: Simplify right side
    540,969.90x = 182,880,422,624.04
  5. Step 5: Solve for x
    x = 182,880,422,624.04/540,969.90
  6. Step 6: Final answer
    x = 338,060.26

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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.