Home / 340,917.12-511,395.84-104,276.16

Finding the Fourth Proportional to 340,917.12, 511,395.84 and 104,276.16

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Solution

The fourth proportional to 340,917.12, 511,395.84 and 104,276.16 is: 156,420.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,917.12 : 511,395.84 = 104,276.16 : x
  2. Step 2: Convert to fraction form
    340,917.12/511,395.84 = 104,276.16/x
  3. Step 3: Cross multiply
    340,917.12x = 511,395.84 × 104,276.16
  4. Step 4: Simplify right side
    340,917.12x = 53,326,394,435.17
  5. Step 5: Solve for x
    x = 53,326,394,435.17/340,917.12
  6. Step 6: Final answer
    x = 156,420.41

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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.