Home / 307,589.20-461,448.60-130,004.80

Finding the Fourth Proportional to 307,589.20, 461,448.60 and 130,004.80

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Solution

The fourth proportional to 307,589.20, 461,448.60 and 130,004.80 is: 195,034.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,589.20 : 461,448.60 = 130,004.80 : x
  2. Step 2: Convert to fraction form
    307,589.20/461,448.60 = 130,004.80/x
  3. Step 3: Cross multiply
    307,589.20x = 461,448.60 × 130,004.80
  4. Step 4: Simplify right side
    307,589.20x = 59,990,532,953.28
  5. Step 5: Solve for x
    x = 59,990,532,953.28/307,589.20
  6. Step 6: Final answer
    x = 195,034.59

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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.