Finding the Fourth Proportional to 455,836.44, 683,755.14 and 118,876.80
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Solution
The fourth proportional to 455,836.44, 683,755.14 and 118,876.80 is: 178,315.33
Step by Step Solution
- Step 1: Write the proportion equation
455,836.44 : 683,755.14 = 118,876.80 : x - Step 2: Convert to fraction form
455,836.44/683,755.14 = 118,876.80/x - Step 3: Cross multiply
455,836.44x = 683,755.14 × 118,876.80 - Step 4: Simplify right side
455,836.44x = 81,282,623,026.75 - Step 5: Solve for x
x = 81,282,623,026.75/455,836.44 - Step 6: Final answer
x = 178,315.33
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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.