Home / 268,080.60-401,464.80-127,675.20

Finding the Fourth Proportional to 268,080.60, 401,464.80 and 127,675.20

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Solution

The fourth proportional to 268,080.60, 401,464.80 and 127,675.20 is: 191,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,080.60 : 401,464.80 = 127,675.20 : x
  2. Step 2: Convert to fraction form
    268,080.60/401,464.80 = 127,675.20/x
  3. Step 3: Cross multiply
    268,080.60x = 401,464.80 × 127,675.20
  4. Step 4: Simplify right side
    268,080.60x = 51,257,098,632.96
  5. Step 5: Solve for x
    x = 51,257,098,632.96/268,080.60
  6. Step 6: Final answer
    x = 191,200.33

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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.