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Finding the Fourth Proportional to 255,447.50, 352,626.06 and 181,907.60

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Solution

The fourth proportional to 255,447.50, 352,626.06 and 181,907.60 is: 251,109.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,447.50 : 352,626.06 = 181,907.60 : x
  2. Step 2: Convert to fraction form
    255,447.50/352,626.06 = 181,907.60/x
  3. Step 3: Cross multiply
    255,447.50x = 352,626.06 × 181,907.60
  4. Step 4: Simplify right side
    255,447.50x = 64,145,360,272.06
  5. Step 5: Solve for x
    x = 64,145,360,272.06/255,447.50
  6. Step 6: Final answer
    x = 251,109.76

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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.