Finding the Fourth Proportional to 198,374.82, 273,782.26 and 122,934.66
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Solution
The fourth proportional to 198,374.82, 273,782.26 and 122,934.66 is: 169,665.33
Step by Step Solution
- Step 1: Write the proportion equation
198,374.82 : 273,782.26 = 122,934.66 : x - Step 2: Convert to fraction form
198,374.82/273,782.26 = 122,934.66/x - Step 3: Cross multiply
198,374.82x = 273,782.26 × 122,934.66 - Step 4: Simplify right side
198,374.82x = 33,657,329,047.13 - Step 5: Solve for x
x = 33,657,329,047.13/198,374.82 - Step 6: Final answer
x = 169,665.33
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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.