Home / 340,739.19-511,110.68-140,951.34

Finding the Fourth Proportional to 340,739.19, 511,110.68 and 140,951.34

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Solution

The fourth proportional to 340,739.19, 511,110.68 and 140,951.34 is: 211,427.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,739.19 : 511,110.68 = 140,951.34 : x
  2. Step 2: Convert to fraction form
    340,739.19/511,110.68 = 140,951.34/x
  3. Step 3: Cross multiply
    340,739.19x = 511,110.68 × 140,951.34
  4. Step 4: Simplify right side
    340,739.19x = 72,041,734,529.55
  5. Step 5: Solve for x
    x = 72,041,734,529.55/340,739.19
  6. Step 6: Final answer
    x = 211,427.79

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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.