Home / 317,906.03-438,709.96-174,665.72

Finding the Fourth Proportional to 317,906.03, 438,709.96 and 174,665.72

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Solution

The fourth proportional to 317,906.03, 438,709.96 and 174,665.72 is: 241,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,906.03 : 438,709.96 = 174,665.72 : x
  2. Step 2: Convert to fraction form
    317,906.03/438,709.96 = 174,665.72/x
  3. Step 3: Cross multiply
    317,906.03x = 438,709.96 × 174,665.72
  4. Step 4: Simplify right side
    317,906.03x = 76,627,591,034.57
  5. Step 5: Solve for x
    x = 76,627,591,034.57/317,906.03
  6. Step 6: Final answer
    x = 241,038.50

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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.