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Finding the Fourth Proportional to 565,535.25, 848,295.46 and 139,074.75

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Solution

The fourth proportional to 565,535.25, 848,295.46 and 139,074.75 is: 208,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,535.25 : 848,295.46 = 139,074.75 : x
  2. Step 2: Convert to fraction form
    565,535.25/848,295.46 = 139,074.75/x
  3. Step 3: Cross multiply
    565,535.25x = 848,295.46 × 139,074.75
  4. Step 4: Simplify right side
    565,535.25x = 117,976,479,025.64
  5. Step 5: Solve for x
    x = 117,976,479,025.64/565,535.25
  6. Step 6: Final answer
    x = 208,610.30

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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.