Home / 340,788.28-511,274.44-104,124.48

Finding the Fourth Proportional to 340,788.28, 511,274.44 and 104,124.48

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Solution

The fourth proportional to 340,788.28, 511,274.44 and 104,124.48 is: 156,214.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,788.28 : 511,274.44 = 104,124.48 : x
  2. Step 2: Convert to fraction form
    340,788.28/511,274.44 = 104,124.48/x
  3. Step 3: Cross multiply
    340,788.28x = 511,274.44 × 104,124.48
  4. Step 4: Simplify right side
    340,788.28x = 53,236,185,202.29
  5. Step 5: Solve for x
    x = 53,236,185,202.29/340,788.28
  6. Step 6: Final answer
    x = 156,214.84

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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.