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Finding the Fourth Proportional to 565,699.29, 848,918.30 and 210,997.05

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Solution

The fourth proportional to 565,699.29, 848,918.30 and 210,997.05 is: 316,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,699.29 : 848,918.30 = 210,997.05 : x
  2. Step 2: Convert to fraction form
    565,699.29/848,918.30 = 210,997.05/x
  3. Step 3: Cross multiply
    565,699.29x = 848,918.30 × 210,997.05
  4. Step 4: Simplify right side
    565,699.29x = 179,119,255,936.03
  5. Step 5: Solve for x
    x = 179,119,255,936.03/565,699.29
  6. Step 6: Final answer
    x = 316,633.34

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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.