Home / 307,519.15-461,340.99-130,025.87

Finding the Fourth Proportional to 307,519.15, 461,340.99 and 130,025.87

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Solution

The fourth proportional to 307,519.15, 461,340.99 and 130,025.87 is: 195,065.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,519.15 : 461,340.99 = 130,025.87 : x
  2. Step 2: Convert to fraction form
    307,519.15/461,340.99 = 130,025.87/x
  3. Step 3: Cross multiply
    307,519.15x = 461,340.99 × 130,025.87
  4. Step 4: Simplify right side
    307,519.15x = 59,986,263,591.41
  5. Step 5: Solve for x
    x = 59,986,263,591.41/307,519.15
  6. Step 6: Final answer
    x = 195,065.13

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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.