Home / 446,618.88-669,995.28-131,038.56

Finding the Fourth Proportional to 446,618.88, 669,995.28 and 131,038.56

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Solution

The fourth proportional to 446,618.88, 669,995.28 and 131,038.56 is: 196,577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,618.88 : 669,995.28 = 131,038.56 : x
  2. Step 2: Convert to fraction form
    446,618.88/669,995.28 = 131,038.56/x
  3. Step 3: Cross multiply
    446,618.88x = 669,995.28 × 131,038.56
  4. Step 4: Simplify right side
    446,618.88x = 87,795,216,698.00
  5. Step 5: Solve for x
    x = 87,795,216,698.00/446,618.88
  6. Step 6: Final answer
    x = 196,577.49

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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.