Finding the Fourth Proportional to 199,398.67, 275,163.45 and 118,784.44
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Solution
The fourth proportional to 199,398.67, 275,163.45 and 118,784.44 is: 163,918.53
Step by Step Solution
- Step 1: Write the proportion equation
199,398.67 : 275,163.45 = 118,784.44 : x - Step 2: Convert to fraction form
199,398.67/275,163.45 = 118,784.44/x - Step 3: Cross multiply
199,398.67x = 275,163.45 × 118,784.44 - Step 4: Simplify right side
199,398.67x = 32,685,136,316.72 - Step 5: Solve for x
x = 32,685,136,316.72/199,398.67 - Step 6: Final answer
x = 163,918.53
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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.