Finding the Fourth Proportional to 198,483.16, 273,837.84 and 126,905.08
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Solution
The fourth proportional to 198,483.16, 273,837.84 and 126,905.08 is: 175,084.94
Step by Step Solution
- Step 1: Write the proportion equation
198,483.16 : 273,837.84 = 126,905.08 : x - Step 2: Convert to fraction form
198,483.16/273,837.84 = 126,905.08/x - Step 3: Cross multiply
198,483.16x = 273,837.84 × 126,905.08 - Step 4: Simplify right side
198,483.16x = 34,751,412,992.23 - Step 5: Solve for x
x = 34,751,412,992.23/198,483.16 - Step 6: Final answer
x = 175,084.94
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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.