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Finding the Fourth Proportional to 539,483.31, 809,312.57 and 202,550.43

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Solution

The fourth proportional to 539,483.31, 809,312.57 and 202,550.43 is: 303,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,483.31 : 809,312.57 = 202,550.43 : x
  2. Step 2: Convert to fraction form
    539,483.31/809,312.57 = 202,550.43/x
  3. Step 3: Cross multiply
    539,483.31x = 809,312.57 × 202,550.43
  4. Step 4: Simplify right side
    539,483.31x = 163,926,608,045.15
  5. Step 5: Solve for x
    x = 163,926,608,045.15/539,483.31
  6. Step 6: Final answer
    x = 303,858.53

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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.