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Finding the Fourth Proportional to 236,477.60, 354,716.40 and 222,480.80

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Solution

The fourth proportional to 236,477.60, 354,716.40 and 222,480.80 is: 333,721.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,477.60 : 354,716.40 = 222,480.80 : x
  2. Step 2: Convert to fraction form
    236,477.60/354,716.40 = 222,480.80/x
  3. Step 3: Cross multiply
    236,477.60x = 354,716.40 × 222,480.80
  4. Step 4: Simplify right side
    236,477.60x = 78,917,588,445.12
  5. Step 5: Solve for x
    x = 78,917,588,445.12/236,477.60
  6. Step 6: Final answer
    x = 333,721.20

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1.5x scale

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.