Finding the Fourth Proportional to 154,135.36, 212,677.92 and 97,506.88
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Solution
The fourth proportional to 154,135.36, 212,677.92 and 97,506.88 is: 134,541.23
Step by Step Solution
- Step 1: Write the proportion equation
154,135.36 : 212,677.92 = 97,506.88 : x - Step 2: Convert to fraction form
154,135.36/212,677.92 = 97,506.88/x - Step 3: Cross multiply
154,135.36x = 212,677.92 × 97,506.88 - Step 4: Simplify right side
154,135.36x = 20,737,560,424.09 - Step 5: Solve for x
x = 20,737,560,424.09/154,135.36 - Step 6: Final answer
x = 134,541.23
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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.