Finding the Fourth Proportional to 226,603.34, 339,937.36 and 84,436.49
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Solution
The fourth proportional to 226,603.34, 339,937.36 and 84,436.49 is: 126,666.79
Step by Step Solution
- Step 1: Write the proportion equation
226,603.34 : 339,937.36 = 84,436.49 : x - Step 2: Convert to fraction form
226,603.34/339,937.36 = 84,436.49/x - Step 3: Cross multiply
226,603.34x = 339,937.36 × 84,436.49 - Step 4: Simplify right side
226,603.34x = 28,703,118,137.02 - Step 5: Solve for x
x = 28,703,118,137.02/226,603.34 - Step 6: Final answer
x = 126,666.79
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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.