Home / 307,637.20-461,520.60-130,052.80

Finding the Fourth Proportional to 307,637.20, 461,520.60 and 130,052.80

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Solution

The fourth proportional to 307,637.20, 461,520.60 and 130,052.80 is: 195,106.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,637.20 : 461,520.60 = 130,052.80 : x
  2. Step 2: Convert to fraction form
    307,637.20/461,520.60 = 130,052.80/x
  3. Step 3: Cross multiply
    307,637.20x = 461,520.60 × 130,052.80
  4. Step 4: Simplify right side
    307,637.20x = 60,022,046,287.68
  5. Step 5: Solve for x
    x = 60,022,046,287.68/307,637.20
  6. Step 6: Final answer
    x = 195,106.59

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1.5x scale

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.