Finding the Fourth Proportional to 664,394.58, 996,750.61 and 215,115.94
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Solution
The fourth proportional to 664,394.58, 996,750.61 and 215,115.94 is: 322,725.31
Step by Step Solution
- Step 1: Write the proportion equation
664,394.58 : 996,750.61 = 215,115.94 : x - Step 2: Convert to fraction form
664,394.58/996,750.61 = 215,115.94/x - Step 3: Cross multiply
664,394.58x = 996,750.61 × 215,115.94 - Step 4: Simplify right side
664,394.58x = 214,416,944,932.22 - Step 5: Solve for x
x = 214,416,944,932.22/664,394.58 - Step 6: Final answer
x = 322,725.31
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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.