Finding the Fourth Proportional to 664,497.10, 996,891.45 and 215,238.70
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Solution
The fourth proportional to 664,497.10, 996,891.45 and 215,238.70 is: 322,905.28
Step by Step Solution
- Step 1: Write the proportion equation
664,497.10 : 996,891.45 = 215,238.70 : x - Step 2: Convert to fraction form
664,497.10/996,891.45 = 215,238.70/x - Step 3: Cross multiply
664,497.10x = 996,891.45 × 215,238.70 - Step 4: Simplify right side
664,497.10x = 214,569,619,739.12 - Step 5: Solve for x
x = 214,569,619,739.12/664,497.10 - Step 6: Final answer
x = 322,905.28
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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.