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Finding the Fourth Proportional to 539,887.52, 809,748.32 and 180,064.72

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Solution

The fourth proportional to 539,887.52, 809,748.32 and 180,064.72 is: 270,069.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,887.52 : 809,748.32 = 180,064.72 : x
  2. Step 2: Convert to fraction form
    539,887.52/809,748.32 = 180,064.72/x
  3. Step 3: Cross multiply
    539,887.52x = 809,748.32 × 180,064.72
  4. Step 4: Simplify right side
    539,887.52x = 145,807,104,511.27
  5. Step 5: Solve for x
    x = 145,807,104,511.27/539,887.52
  6. Step 6: Final answer
    x = 270,069.41

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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.