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Finding the Fourth Proportional to 540,954.85, 811,506.08 and 225,337.94

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Solution

The fourth proportional to 540,954.85, 811,506.08 and 225,337.94 is: 338,037.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,954.85 : 811,506.08 = 225,337.94 : x
  2. Step 2: Convert to fraction form
    540,954.85/811,506.08 = 225,337.94/x
  3. Step 3: Cross multiply
    540,954.85x = 811,506.08 × 225,337.94
  4. Step 4: Simplify right side
    540,954.85x = 182,863,107,237.99
  5. Step 5: Solve for x
    x = 182,863,107,237.99/540,954.85
  6. Step 6: Final answer
    x = 338,037.65

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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.