Finding the Fourth Proportional to 664,710.10, 996,856.01 and 215,326.70
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Solution
The fourth proportional to 664,710.10, 996,856.01 and 215,326.70 is: 322,922.31
Step by Step Solution
- Step 1: Write the proportion equation
664,710.10 : 996,856.01 = 215,326.70 : x - Step 2: Convert to fraction form
664,710.10/996,856.01 = 215,326.70/x - Step 3: Cross multiply
664,710.10x = 996,856.01 × 215,326.70 - Step 4: Simplify right side
664,710.10x = 214,649,717,635.19 - Step 5: Solve for x
x = 214,649,717,635.19/664,710.10 - Step 6: Final answer
x = 322,922.31
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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.