Finding the Fourth Proportional to 664,495.10, 996,888.45 and 215,236.70
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Solution
The fourth proportional to 664,495.10, 996,888.45 and 215,236.70 is: 322,902.28
Step by Step Solution
- Step 1: Write the proportion equation
664,495.10 : 996,888.45 = 215,236.70 : x - Step 2: Convert to fraction form
664,495.10/996,888.45 = 215,236.70/x - Step 3: Cross multiply
664,495.10x = 996,888.45 × 215,236.70 - Step 4: Simplify right side
664,495.10x = 214,566,980,246.12 - Step 5: Solve for x
x = 214,566,980,246.12/664,495.10 - Step 6: Final answer
x = 322,902.28
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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.