Home / 307,851.60-461,826-130,359.72

Finding the Fourth Proportional to 307,851.60, 461,826 and 130,359.72

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Solution

The fourth proportional to 307,851.60, 461,826 and 130,359.72 is: 195,560.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,851.60 : 461,826 = 130,359.72 : x
  2. Step 2: Convert to fraction form
    307,851.60/461,826 = 130,359.72/x
  3. Step 3: Cross multiply
    307,851.60x = 461,826 × 130,359.72
  4. Step 4: Simplify right side
    307,851.60x = 60,203,508,048.72
  5. Step 5: Solve for x
    x = 60,203,508,048.72/307,851.60
  6. Step 6: Final answer
    x = 195,560.16

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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.