Home / 605,128.54-907,791.34-178,707.50

Finding the Fourth Proportional to 605,128.54, 907,791.34 and 178,707.50

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Solution

The fourth proportional to 605,128.54, 907,791.34 and 178,707.50 is: 268,090.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,128.54 : 907,791.34 = 178,707.50 : x
  2. Step 2: Convert to fraction form
    605,128.54/907,791.34 = 178,707.50/x
  3. Step 3: Cross multiply
    605,128.54x = 907,791.34 × 178,707.50
  4. Step 4: Simplify right side
    605,128.54x = 162,229,120,893.05
  5. Step 5: Solve for x
    x = 162,229,120,893.05/605,128.54
  6. Step 6: Final answer
    x = 268,090.35

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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.