Home / 268,253.60-401,724.30-127,848.20

Finding the Fourth Proportional to 268,253.60, 401,724.30 and 127,848.20

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Solution

The fourth proportional to 268,253.60, 401,724.30 and 127,848.20 is: 191,459.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,253.60 : 401,724.30 = 127,848.20 : x
  2. Step 2: Convert to fraction form
    268,253.60/401,724.30 = 127,848.20/x
  3. Step 3: Cross multiply
    268,253.60x = 401,724.30 × 127,848.20
  4. Step 4: Simplify right side
    268,253.60x = 51,359,728,651.26
  5. Step 5: Solve for x
    x = 51,359,728,651.26/268,253.60
  6. Step 6: Final answer
    x = 191,459.61

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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.