Home / 308,570.90-462,765.63-131,076.50

Finding the Fourth Proportional to 308,570.90, 462,765.63 and 131,076.50

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Solution

The fourth proportional to 308,570.90, 462,765.63 and 131,076.50 is: 196,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,570.90 : 462,765.63 = 131,076.50 : x
  2. Step 2: Convert to fraction form
    308,570.90/462,765.63 = 131,076.50/x
  3. Step 3: Cross multiply
    308,570.90x = 462,765.63 × 131,076.50
  4. Step 4: Simplify right side
    308,570.90x = 60,657,699,100.70
  5. Step 5: Solve for x
    x = 60,657,699,100.70/308,570.90
  6. Step 6: Final answer
    x = 196,576.21

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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.