Finding the Fourth Proportional to 136,205.84, 204,307.80 and 53,099.84
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Solution
The fourth proportional to 136,205.84, 204,307.80 and 53,099.84 is: 79,649.39
Step by Step Solution
- Step 1: Write the proportion equation
136,205.84 : 204,307.80 = 53,099.84 : x - Step 2: Convert to fraction form
136,205.84/204,307.80 = 53,099.84/x - Step 3: Cross multiply
136,205.84x = 204,307.80 × 53,099.84 - Step 4: Simplify right side
136,205.84x = 10,848,711,490.75 - Step 5: Solve for x
x = 10,848,711,490.75/136,205.84 - Step 6: Final answer
x = 79,649.39
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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.