Finding the Fourth Proportional to 217,408.92, 326,058.66 and 84,243.48
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Solution
The fourth proportional to 217,408.92, 326,058.66 and 84,243.48 is: 126,344.02
Step by Step Solution
- Step 1: Write the proportion equation
217,408.92 : 326,058.66 = 84,243.48 : x - Step 2: Convert to fraction form
217,408.92/326,058.66 = 84,243.48/x - Step 3: Cross multiply
217,408.92x = 326,058.66 × 84,243.48 - Step 4: Simplify right side
217,408.92x = 27,468,316,202.54 - Step 5: Solve for x
x = 27,468,316,202.54/217,408.92 - Step 6: Final answer
x = 126,344.02
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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.