Finding the Fourth Proportional to 198,064.62, 273,327.93 and 107,422.74
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Solution
The fourth proportional to 198,064.62, 273,327.93 and 107,422.74 is: 148,242.71
Step by Step Solution
- Step 1: Write the proportion equation
198,064.62 : 273,327.93 = 107,422.74 : x - Step 2: Convert to fraction form
198,064.62/273,327.93 = 107,422.74/x - Step 3: Cross multiply
198,064.62x = 273,327.93 × 107,422.74 - Step 4: Simplify right side
198,064.62x = 29,361,635,159.13 - Step 5: Solve for x
x = 29,361,635,159.13/198,064.62 - Step 6: Final answer
x = 148,242.71
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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.