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Finding the Fourth Proportional to 565,936.59, 848,905.50 and 145,212.48

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Solution

The fourth proportional to 565,936.59, 848,905.50 and 145,212.48 is: 217,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,936.59 : 848,905.50 = 145,212.48 : x
  2. Step 2: Convert to fraction form
    565,936.59/848,905.50 = 145,212.48/x
  3. Step 3: Cross multiply
    565,936.59x = 848,905.50 × 145,212.48
  4. Step 4: Simplify right side
    565,936.59x = 123,271,672,940.64
  5. Step 5: Solve for x
    x = 123,271,672,940.64/565,936.59
  6. Step 6: Final answer
    x = 217,818.88

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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.