Finding the Fourth Proportional to 199,326.15, 275,136.74 and 118,778.94
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Solution
The fourth proportional to 199,326.15, 275,136.74 and 118,778.94 is: 163,954.66
Step by Step Solution
- Step 1: Write the proportion equation
199,326.15 : 275,136.74 = 118,778.94 : x - Step 2: Convert to fraction form
199,326.15/275,136.74 = 118,778.94/x - Step 3: Cross multiply
199,326.15x = 275,136.74 × 118,778.94 - Step 4: Simplify right side
199,326.15x = 32,680,450,332.26 - Step 5: Solve for x
x = 32,680,450,332.26/199,326.15 - Step 6: Final answer
x = 163,954.66
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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.