Home / 200,270.24-276,406.80-115,436.60

Finding the Fourth Proportional to 200,270.24, 276,406.80 and 115,436.60

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Solution

The fourth proportional to 200,270.24, 276,406.80 and 115,436.60 is: 159,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,270.24 : 276,406.80 = 115,436.60 : x
  2. Step 2: Convert to fraction form
    200,270.24/276,406.80 = 115,436.60/x
  3. Step 3: Cross multiply
    200,270.24x = 276,406.80 × 115,436.60
  4. Step 4: Simplify right side
    200,270.24x = 31,907,461,208.88
  5. Step 5: Solve for x
    x = 31,907,461,208.88/200,270.24
  6. Step 6: Final answer
    x = 159,322.03

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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.