Finding the Fourth Proportional to 135,092.66, 202,638.72 and 126,871.93
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Solution
The fourth proportional to 135,092.66, 202,638.72 and 126,871.93 is: 190,307.64
Step by Step Solution
- Step 1: Write the proportion equation
135,092.66 : 202,638.72 = 126,871.93 : x - Step 2: Convert to fraction form
135,092.66/202,638.72 = 126,871.93/x - Step 3: Cross multiply
135,092.66x = 202,638.72 × 126,871.93 - Step 4: Simplify right side
135,092.66x = 25,709,165,499.13 - Step 5: Solve for x
x = 25,709,165,499.13/135,092.66 - Step 6: Final answer
x = 190,307.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.