Finding the Fourth Proportional to 214,112.63, 321,063.85 and 105,916.99
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Solution
The fourth proportional to 214,112.63, 321,063.85 and 105,916.99 is: 158,823.49
Step by Step Solution
- Step 1: Write the proportion equation
214,112.63 : 321,063.85 = 105,916.99 : x - Step 2: Convert to fraction form
214,112.63/321,063.85 = 105,916.99/x - Step 3: Cross multiply
214,112.63x = 321,063.85 × 105,916.99 - Step 4: Simplify right side
214,112.63x = 34,006,114,454.91 - Step 5: Solve for x
x = 34,006,114,454.91/214,112.63 - Step 6: Final answer
x = 158,823.49
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1.5x scale
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.