Home / 308,811.36-462,315.60-190,126.56

Finding the Fourth Proportional to 308,811.36, 462,315.60 and 190,126.56

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Solution

The fourth proportional to 308,811.36, 462,315.60 and 190,126.56 is: 284,634.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,811.36 : 462,315.60 = 190,126.56 : x
  2. Step 2: Convert to fraction form
    308,811.36/462,315.60 = 190,126.56/x
  3. Step 3: Cross multiply
    308,811.36x = 462,315.60 × 190,126.56
  4. Step 4: Simplify right side
    308,811.36x = 87,898,474,662.34
  5. Step 5: Solve for x
    x = 87,898,474,662.34/308,811.36
  6. Step 6: Final answer
    x = 284,634.85

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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.