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Finding the Fourth Proportional to 565,608.47, 848,412.90 and 166,249.31

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Solution

The fourth proportional to 565,608.47, 848,412.90 and 166,249.31 is: 249,374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,608.47 : 848,412.90 = 166,249.31 : x
  2. Step 2: Convert to fraction form
    565,608.47/848,412.90 = 166,249.31/x
  3. Step 3: Cross multiply
    565,608.47x = 848,412.90 × 166,249.31
  4. Step 4: Simplify right side
    565,608.47x = 141,048,054,978.04
  5. Step 5: Solve for x
    x = 141,048,054,978.04/565,608.47
  6. Step 6: Final answer
    x = 249,374.02

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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.