Finding the Fourth Proportional to 664,455.10, 996,647.82 and 191,121.88
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Solution
The fourth proportional to 664,455.10, 996,647.82 and 191,121.88 is: 286,672.80
Step by Step Solution
- Step 1: Write the proportion equation
664,455.10 : 996,647.82 = 191,121.88 : x - Step 2: Convert to fraction form
664,455.10/996,647.82 = 191,121.88/x - Step 3: Cross multiply
664,455.10x = 996,647.82 × 191,121.88 - Step 4: Simplify right side
664,455.10x = 190,481,205,056.30 - Step 5: Solve for x
x = 190,481,205,056.30/664,455.10 - Step 6: Final answer
x = 286,672.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.