Finding the Fourth Proportional to 664,115.10, 996,043.05 and 214,727.10
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Solution
The fourth proportional to 664,115.10, 996,043.05 and 214,727.10 is: 322,048.75
Step by Step Solution
- Step 1: Write the proportion equation
664,115.10 : 996,043.05 = 214,727.10 : x - Step 2: Convert to fraction form
664,115.10/996,043.05 = 214,727.10/x - Step 3: Cross multiply
664,115.10x = 996,043.05 × 214,727.10 - Step 4: Simplify right side
664,115.10x = 213,877,435,601.66 - Step 5: Solve for x
x = 213,877,435,601.66/664,115.10 - Step 6: Final answer
x = 322,048.75
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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.