Home / 322,742.70-445,353.75-186,749.57

Finding the Fourth Proportional to 322,742.70, 445,353.75 and 186,749.57

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Solution

The fourth proportional to 322,742.70, 445,353.75 and 186,749.57 is: 257,696.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,742.70 : 445,353.75 = 186,749.57 : x
  2. Step 2: Convert to fraction form
    322,742.70/445,353.75 = 186,749.57/x
  3. Step 3: Cross multiply
    322,742.70x = 445,353.75 × 186,749.57
  4. Step 4: Simplify right side
    322,742.70x = 83,169,622,423.77
  5. Step 5: Solve for x
    x = 83,169,622,423.77/322,742.70
  6. Step 6: Final answer
    x = 257,696.37

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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.