Home / 340,940.37-511,328.43-104,285.10

Finding the Fourth Proportional to 340,940.37, 511,328.43 and 104,285.10

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Solution

The fourth proportional to 340,940.37, 511,328.43 and 104,285.10 is: 156,402.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,940.37 : 511,328.43 = 104,285.10 : x
  2. Step 2: Convert to fraction form
    340,940.37/511,328.43 = 104,285.10/x
  3. Step 3: Cross multiply
    340,940.37x = 511,328.43 × 104,285.10
  4. Step 4: Simplify right side
    340,940.37x = 53,323,936,455.39
  5. Step 5: Solve for x
    x = 53,323,936,455.39/340,940.37
  6. Step 6: Final answer
    x = 156,402.53

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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.