Home / 297,043.18-445,557.37-86,682.94

Finding the Fourth Proportional to 297,043.18, 445,557.37 and 86,682.94

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Solution

The fourth proportional to 297,043.18, 445,557.37 and 86,682.94 is: 130,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,043.18 : 445,557.37 = 86,682.94 : x
  2. Step 2: Convert to fraction form
    297,043.18/445,557.37 = 86,682.94/x
  3. Step 3: Cross multiply
    297,043.18x = 445,557.37 × 86,682.94
  4. Step 4: Simplify right side
    297,043.18x = 38,622,222,770.27
  5. Step 5: Solve for x
    x = 38,622,222,770.27/297,043.18
  6. Step 6: Final answer
    x = 130,022.25

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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.