Finding the Fourth Proportional to 214,920.54, 296,503.74 and 129,889.98
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Solution
The fourth proportional to 214,920.54, 296,503.74 and 129,889.98 is: 179,195.83
Step by Step Solution
- Step 1: Write the proportion equation
214,920.54 : 296,503.74 = 129,889.98 : x - Step 2: Convert to fraction form
214,920.54/296,503.74 = 129,889.98/x - Step 3: Cross multiply
214,920.54x = 296,503.74 × 129,889.98 - Step 4: Simplify right side
214,920.54x = 38,512,864,858.53 - Step 5: Solve for x
x = 38,512,864,858.53/214,920.54 - Step 6: Final answer
x = 179,195.83
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.