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Finding the Fourth Proportional to 540,252.68, 809,815.86 and 203,061.02

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Solution

The fourth proportional to 540,252.68, 809,815.86 and 203,061.02 is: 304,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,252.68 : 809,815.86 = 203,061.02 : x
  2. Step 2: Convert to fraction form
    540,252.68/809,815.86 = 203,061.02/x
  3. Step 3: Cross multiply
    540,252.68x = 809,815.86 × 203,061.02
  4. Step 4: Simplify right side
    540,252.68x = 164,442,030,494.70
  5. Step 5: Solve for x
    x = 164,442,030,494.70/540,252.68
  6. Step 6: Final answer
    x = 304,379.85

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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.