Home / 393,622.02-590,284.79-127,311.03

Finding the Fourth Proportional to 393,622.02, 590,284.79 and 127,311.03

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Solution

The fourth proportional to 393,622.02, 590,284.79 and 127,311.03 is: 190,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,622.02 : 590,284.79 = 127,311.03 : x
  2. Step 2: Convert to fraction form
    393,622.02/590,284.79 = 127,311.03/x
  3. Step 3: Cross multiply
    393,622.02x = 590,284.79 × 127,311.03
  4. Step 4: Simplify right side
    393,622.02x = 75,149,763,971.68
  5. Step 5: Solve for x
    x = 75,149,763,971.68/393,622.02
  6. Step 6: Final answer
    x = 190,918.60

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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.