Home / 268,003.60-401,349.30-127,598.20

Finding the Fourth Proportional to 268,003.60, 401,349.30 and 127,598.20

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Solution

The fourth proportional to 268,003.60, 401,349.30 and 127,598.20 is: 191,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,003.60 : 401,349.30 = 127,598.20 : x
  2. Step 2: Convert to fraction form
    268,003.60/401,349.30 = 127,598.20/x
  3. Step 3: Cross multiply
    268,003.60x = 401,349.30 × 127,598.20
  4. Step 4: Simplify right side
    268,003.60x = 51,211,448,251.26
  5. Step 5: Solve for x
    x = 51,211,448,251.26/268,003.60
  6. Step 6: Final answer
    x = 191,084.93

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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.