Home / 293,964.78-405,871.74-197,313.60

Finding the Fourth Proportional to 293,964.78, 405,871.74 and 197,313.60

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Solution

The fourth proportional to 293,964.78, 405,871.74 and 197,313.60 is: 272,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,964.78 : 405,871.74 = 197,313.60 : x
  2. Step 2: Convert to fraction form
    293,964.78/405,871.74 = 197,313.60/x
  3. Step 3: Cross multiply
    293,964.78x = 405,871.74 × 197,313.60
  4. Step 4: Simplify right side
    293,964.78x = 80,084,014,157.66
  5. Step 5: Solve for x
    x = 80,084,014,157.66/293,964.78
  6. Step 6: Final answer
    x = 272,427.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.