Finding the Fourth Proportional to 664,461.10, 996,837.45 and 215,202.70
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Solution
The fourth proportional to 664,461.10, 996,837.45 and 215,202.70 is: 322,851.27
Step by Step Solution
- Step 1: Write the proportion equation
664,461.10 : 996,837.45 = 215,202.70 : x - Step 2: Convert to fraction form
664,461.10/996,837.45 = 215,202.70/x - Step 3: Cross multiply
664,461.10x = 996,837.45 × 215,202.70 - Step 4: Simplify right side
664,461.10x = 214,522,110,701.12 - Step 5: Solve for x
x = 214,522,110,701.12/664,461.10 - Step 6: Final answer
x = 322,851.27
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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.