Home / 320,533.90-442,340.67-177,290.26

Finding the Fourth Proportional to 320,533.90, 442,340.67 and 177,290.26

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Solution

The fourth proportional to 320,533.90, 442,340.67 and 177,290.26 is: 244,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,533.90 : 442,340.67 = 177,290.26 : x
  2. Step 2: Convert to fraction form
    320,533.90/442,340.67 = 177,290.26/x
  3. Step 3: Cross multiply
    320,533.90x = 442,340.67 × 177,290.26
  4. Step 4: Simplify right side
    320,533.90x = 78,422,692,392.87
  5. Step 5: Solve for x
    x = 78,422,692,392.87/320,533.90
  6. Step 6: Final answer
    x = 244,662.71

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1.5x scale

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.