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Finding the Fourth Proportional to 294,039, 405,775.26 and 159,903

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Solution

The fourth proportional to 294,039, 405,775.26 and 159,903 is: 220,666.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,039 : 405,775.26 = 159,903 : x
  2. Step 2: Convert to fraction form
    294,039/405,775.26 = 159,903/x
  3. Step 3: Cross multiply
    294,039x = 405,775.26 × 159,903
  4. Step 4: Simplify right side
    294,039x = 64,884,681,399.78
  5. Step 5: Solve for x
    x = 64,884,681,399.78/294,039
  6. Step 6: Final answer
    x = 220,666.92

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.