Home / 305,396.16-458,137.92-95,055.36

Finding the Fourth Proportional to 305,396.16, 458,137.92 and 95,055.36

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Solution

The fourth proportional to 305,396.16, 458,137.92 and 95,055.36 is: 142,596.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,396.16 : 458,137.92 = 95,055.36 : x
  2. Step 2: Convert to fraction form
    305,396.16/458,137.92 = 95,055.36/x
  3. Step 3: Cross multiply
    305,396.16x = 458,137.92 × 95,055.36
  4. Step 4: Simplify right side
    305,396.16x = 43,548,464,915.25
  5. Step 5: Solve for x
    x = 43,548,464,915.25/305,396.16
  6. Step 6: Final answer
    x = 142,596.64

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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.