Finding the Fourth Proportional to 97,957.74, 146,894.49 and 31,375.74
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Solution
The fourth proportional to 97,957.74, 146,894.49 and 31,375.74 is: 47,050.12
Step by Step Solution
- Step 1: Write the proportion equation
97,957.74 : 146,894.49 = 31,375.74 : x - Step 2: Convert to fraction form
97,957.74/146,894.49 = 31,375.74/x - Step 3: Cross multiply
97,957.74x = 146,894.49 × 31,375.74 - Step 4: Simplify right side
97,957.74x = 4,608,923,325.67 - Step 5: Solve for x
x = 4,608,923,325.67/97,957.74 - Step 6: Final answer
x = 47,050.12
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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.