Home / 256,450.20-384,351.30-98,467.80

Finding the Fourth Proportional to 256,450.20, 384,351.30 and 98,467.80

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Solution

The fourth proportional to 256,450.20, 384,351.30 and 98,467.80 is: 147,577.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,450.20 : 384,351.30 = 98,467.80 : x
  2. Step 2: Convert to fraction form
    256,450.20/384,351.30 = 98,467.80/x
  3. Step 3: Cross multiply
    256,450.20x = 384,351.30 × 98,467.80
  4. Step 4: Simplify right side
    256,450.20x = 37,846,226,938.14
  5. Step 5: Solve for x
    x = 37,846,226,938.14/256,450.20
  6. Step 6: Final answer
    x = 147,577.30

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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.