Finding the Fourth Proportional to 193,072.26, 266,401.71 and 121,410.66
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Solution
The fourth proportional to 193,072.26, 266,401.71 and 121,410.66 is: 167,522.81
Step by Step Solution
- Step 1: Write the proportion equation
193,072.26 : 266,401.71 = 121,410.66 : x - Step 2: Convert to fraction form
193,072.26/266,401.71 = 121,410.66/x - Step 3: Cross multiply
193,072.26x = 266,401.71 × 121,410.66 - Step 4: Simplify right side
193,072.26x = 32,344,007,436.23 - Step 5: Solve for x
x = 32,344,007,436.23/193,072.26 - Step 6: Final answer
x = 167,522.81
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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.