Finding the Fourth Proportional to 217,072.26, 299,394.98 and 190,168.05
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Solution
The fourth proportional to 217,072.26, 299,394.98 and 190,168.05 is: 262,287.59
Step by Step Solution
- Step 1: Write the proportion equation
217,072.26 : 299,394.98 = 190,168.05 : x - Step 2: Convert to fraction form
217,072.26/299,394.98 = 190,168.05/x - Step 3: Cross multiply
217,072.26x = 299,394.98 × 190,168.05 - Step 4: Simplify right side
217,072.26x = 56,935,360,411.41 - Step 5: Solve for x
x = 56,935,360,411.41/217,072.26 - Step 6: Final answer
x = 262,287.59
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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.