Home / 340,622.46-511,137.81-140,945.58

Finding the Fourth Proportional to 340,622.46, 511,137.81 and 140,945.58

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Solution

The fourth proportional to 340,622.46, 511,137.81 and 140,945.58 is: 211,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,622.46 : 511,137.81 = 140,945.58 : x
  2. Step 2: Convert to fraction form
    340,622.46/511,137.81 = 140,945.58/x
  3. Step 3: Cross multiply
    340,622.46x = 511,137.81 × 140,945.58
  4. Step 4: Simplify right side
    340,622.46x = 72,042,615,090.38
  5. Step 5: Solve for x
    x = 72,042,615,090.38/340,622.46
  6. Step 6: Final answer
    x = 211,502.83

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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.