Home / 446,818.80-670,244.40-131,307.60

Finding the Fourth Proportional to 446,818.80, 670,244.40 and 131,307.60

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Solution

The fourth proportional to 446,818.80, 670,244.40 and 131,307.60 is: 196,966.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,818.80 : 670,244.40 = 131,307.60 : x
  2. Step 2: Convert to fraction form
    446,818.80/670,244.40 = 131,307.60/x
  3. Step 3: Cross multiply
    446,818.80x = 670,244.40 × 131,307.60
  4. Step 4: Simplify right side
    446,818.80x = 88,008,183,577.44
  5. Step 5: Solve for x
    x = 88,008,183,577.44/446,818.80
  6. Step 6: Final answer
    x = 196,966.16

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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.