Home / 446,942.40-670,348.80-131,366.40

Finding the Fourth Proportional to 446,942.40, 670,348.80 and 131,366.40

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Solution

The fourth proportional to 446,942.40, 670,348.80 and 131,366.40 is: 197,030.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,942.40 : 670,348.80 = 131,366.40 : x
  2. Step 2: Convert to fraction form
    446,942.40/670,348.80 = 131,366.40/x
  3. Step 3: Cross multiply
    446,942.40x = 670,348.80 × 131,366.40
  4. Step 4: Simplify right side
    446,942.40x = 88,061,308,600.32
  5. Step 5: Solve for x
    x = 88,061,308,600.32/446,942.40
  6. Step 6: Final answer
    x = 197,030.55

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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.