Home / 307,588.20-461,447.10-130,003.80

Finding the Fourth Proportional to 307,588.20, 461,447.10 and 130,003.80

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Solution

The fourth proportional to 307,588.20, 461,447.10 and 130,003.80 is: 195,033.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,588.20 : 461,447.10 = 130,003.80 : x
  2. Step 2: Convert to fraction form
    307,588.20/461,447.10 = 130,003.80/x
  3. Step 3: Cross multiply
    307,588.20x = 461,447.10 × 130,003.80
  4. Step 4: Simplify right side
    307,588.20x = 59,989,876,498.98
  5. Step 5: Solve for x
    x = 59,989,876,498.98/307,588.20
  6. Step 6: Final answer
    x = 195,033.09

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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.