Home / 445,256.96-668,147.52-164,969.60

Finding the Fourth Proportional to 445,256.96, 668,147.52 and 164,969.60

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Solution

The fourth proportional to 445,256.96, 668,147.52 and 164,969.60 is: 247,551.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,256.96 : 668,147.52 = 164,969.60 : x
  2. Step 2: Convert to fraction form
    445,256.96/668,147.52 = 164,969.60/x
  3. Step 3: Cross multiply
    445,256.96x = 668,147.52 × 164,969.60
  4. Step 4: Simplify right side
    445,256.96x = 110,224,029,115.39
  5. Step 5: Solve for x
    x = 110,224,029,115.39/445,256.96
  6. Step 6: Final answer
    x = 247,551.50

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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.