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Finding the Fourth Proportional to 565,882.72, 848,824.56 and 145,158.64

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Solution

The fourth proportional to 565,882.72, 848,824.56 and 145,158.64 is: 217,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,882.72 : 848,824.56 = 145,158.64 : x
  2. Step 2: Convert to fraction form
    565,882.72/848,824.56 = 145,158.64/x
  3. Step 3: Cross multiply
    565,882.72x = 848,824.56 × 145,158.64
  4. Step 4: Simplify right side
    565,882.72x = 123,214,218,728.20
  5. Step 5: Solve for x
    x = 123,214,218,728.20/565,882.72
  6. Step 6: Final answer
    x = 217,738.08

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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.