Home / 446,948.64-670,331.52-131,320.80

Finding the Fourth Proportional to 446,948.64, 670,331.52 and 131,320.80

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Solution

The fourth proportional to 446,948.64, 670,331.52 and 131,320.80 is: 196,954.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,948.64 : 670,331.52 = 131,320.80 : x
  2. Step 2: Convert to fraction form
    446,948.64/670,331.52 = 131,320.80/x
  3. Step 3: Cross multiply
    446,948.64x = 670,331.52 × 131,320.80
  4. Step 4: Simplify right side
    446,948.64x = 88,028,471,471.62
  5. Step 5: Solve for x
    x = 88,028,471,471.62/446,948.64
  6. Step 6: Final answer
    x = 196,954.33

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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.