Home / 307,217.40-461,033.64-107,539.44

Finding the Fourth Proportional to 307,217.40, 461,033.64 and 107,539.44

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Solution

The fourth proportional to 307,217.40, 461,033.64 and 107,539.44 is: 161,381.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,217.40 : 461,033.64 = 107,539.44 : x
  2. Step 2: Convert to fraction form
    307,217.40/461,033.64 = 107,539.44/x
  3. Step 3: Cross multiply
    307,217.40x = 461,033.64 × 107,539.44
  4. Step 4: Simplify right side
    307,217.40x = 49,579,299,466.76
  5. Step 5: Solve for x
    x = 49,579,299,466.76/307,217.40
  6. Step 6: Final answer
    x = 161,381.81

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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.