Finding the Fourth Proportional to 664,329.70, 996,640.35 and 214,974.10
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Solution
The fourth proportional to 664,329.70, 996,640.35 and 214,974.10 is: 322,508.33
Step by Step Solution
- Step 1: Write the proportion equation
664,329.70 : 996,640.35 = 214,974.10 : x - Step 2: Convert to fraction form
664,329.70/996,640.35 = 214,974.10/x - Step 3: Cross multiply
664,329.70x = 996,640.35 × 214,974.10 - Step 4: Simplify right side
664,329.70x = 214,251,862,264.94 - Step 5: Solve for x
x = 214,251,862,264.94/664,329.70 - Step 6: Final answer
x = 322,508.33
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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.