Home / 307,955.40-461,733.30-130,414.20

Finding the Fourth Proportional to 307,955.40, 461,733.30 and 130,414.20

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Solution

The fourth proportional to 307,955.40, 461,733.30 and 130,414.20 is: 195,536.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,955.40 : 461,733.30 = 130,414.20 : x
  2. Step 2: Convert to fraction form
    307,955.40/461,733.30 = 130,414.20/x
  3. Step 3: Cross multiply
    307,955.40x = 461,733.30 × 130,414.20
  4. Step 4: Simplify right side
    307,955.40x = 60,216,578,932.86
  5. Step 5: Solve for x
    x = 60,216,578,932.86/307,955.40
  6. Step 6: Final answer
    x = 195,536.69

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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.