Finding the Fourth Proportional to 204,447.70, 306,853.80 and 120,102.40
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Solution
The fourth proportional to 204,447.70, 306,853.80 and 120,102.40 is: 180,260.66
Step by Step Solution
- Step 1: Write the proportion equation
204,447.70 : 306,853.80 = 120,102.40 : x - Step 2: Convert to fraction form
204,447.70/306,853.80 = 120,102.40/x - Step 3: Cross multiply
204,447.70x = 306,853.80 × 120,102.40 - Step 4: Simplify right side
204,447.70x = 36,853,877,829.12 - Step 5: Solve for x
x = 36,853,877,829.12/204,447.70 - Step 6: Final answer
x = 180,260.66
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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.