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Finding the Fourth Proportional to 412,324.40, 618,340.80 and 146,093.60

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Solution

The fourth proportional to 412,324.40, 618,340.80 and 146,093.60 is: 219,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,324.40 : 618,340.80 = 146,093.60 : x
  2. Step 2: Convert to fraction form
    412,324.40/618,340.80 = 146,093.60/x
  3. Step 3: Cross multiply
    412,324.40x = 618,340.80 × 146,093.60
  4. Step 4: Simplify right side
    412,324.40x = 90,335,633,498.88
  5. Step 5: Solve for x
    x = 90,335,633,498.88/412,324.40
  6. Step 6: Final answer
    x = 219,088.74

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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.