Home / 226,435.36-312,151.48-158,240.60

Finding the Fourth Proportional to 226,435.36, 312,151.48 and 158,240.60

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Solution

The fourth proportional to 226,435.36, 312,151.48 and 158,240.60 is: 218,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,435.36 : 312,151.48 = 158,240.60 : x
  2. Step 2: Convert to fraction form
    226,435.36/312,151.48 = 158,240.60/x
  3. Step 3: Cross multiply
    226,435.36x = 312,151.48 × 158,240.60
  4. Step 4: Simplify right side
    226,435.36x = 49,395,037,486.09
  5. Step 5: Solve for x
    x = 49,395,037,486.09/226,435.36
  6. Step 6: Final answer
    x = 218,141.89

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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.