Finding the Fourth Proportional to 298,169.98, 447,257.43 and 108,766.06
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Solution
The fourth proportional to 298,169.98, 447,257.43 and 108,766.06 is: 163,149.98
Step by Step Solution
- Step 1: Write the proportion equation
298,169.98 : 447,257.43 = 108,766.06 : x - Step 2: Convert to fraction form
298,169.98/447,257.43 = 108,766.06/x - Step 3: Cross multiply
298,169.98x = 447,257.43 × 108,766.06 - Step 4: Simplify right side
298,169.98x = 48,646,427,348.68 - Step 5: Solve for x
x = 48,646,427,348.68/298,169.98 - Step 6: Final answer
x = 163,149.98
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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.