Home / 307,427.22-461,122.20-115,263.72

Finding the Fourth Proportional to 307,427.22, 461,122.20 and 115,263.72

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Solution

The fourth proportional to 307,427.22, 461,122.20 and 115,263.72 is: 172,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,427.22 : 461,122.20 = 115,263.72 : x
  2. Step 2: Convert to fraction form
    307,427.22/461,122.20 = 115,263.72/x
  3. Step 3: Cross multiply
    307,427.22x = 461,122.20 × 115,263.72
  4. Step 4: Simplify right side
    307,427.22x = 53,150,660,146.58
  5. Step 5: Solve for x
    x = 53,150,660,146.58/307,427.22
  6. Step 6: Final answer
    x = 172,888.60

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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.