Finding the Fourth Proportional to 664,710.38, 996,856.44 and 215,326.99
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Solution
The fourth proportional to 664,710.38, 996,856.44 and 215,326.99 is: 322,922.74
Step by Step Solution
- Step 1: Write the proportion equation
664,710.38 : 996,856.44 = 215,326.99 : x - Step 2: Convert to fraction form
664,710.38/996,856.44 = 215,326.99/x - Step 3: Cross multiply
664,710.38x = 996,856.44 × 215,326.99 - Step 4: Simplify right side
664,710.38x = 214,650,096,158.68 - Step 5: Solve for x
x = 214,650,096,158.68/664,710.38 - Step 6: Final answer
x = 322,922.74
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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.