Home / 282,507.09-389,749.37-161,583.76

Finding the Fourth Proportional to 282,507.09, 389,749.37 and 161,583.76

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Solution

The fourth proportional to 282,507.09, 389,749.37 and 161,583.76 is: 222,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,507.09 : 389,749.37 = 161,583.76 : x
  2. Step 2: Convert to fraction form
    282,507.09/389,749.37 = 161,583.76/x
  3. Step 3: Cross multiply
    282,507.09x = 389,749.37 × 161,583.76
  4. Step 4: Simplify right side
    282,507.09x = 62,977,169,250.41
  5. Step 5: Solve for x
    x = 62,977,169,250.41/282,507.09
  6. Step 6: Final answer
    x = 222,922.44

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Why These Related Problems?

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