Finding the Fourth Proportional to 258,230.67, 386,627.49 and 131,597.88
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Solution
The fourth proportional to 258,230.67, 386,627.49 and 131,597.88 is: 197,030.65
Step by Step Solution
- Step 1: Write the proportion equation
258,230.67 : 386,627.49 = 131,597.88 : x - Step 2: Convert to fraction form
258,230.67/386,627.49 = 131,597.88/x - Step 3: Cross multiply
258,230.67x = 386,627.49 × 131,597.88 - Step 4: Simplify right side
258,230.67x = 50,879,358,033.72 - Step 5: Solve for x
x = 50,879,358,033.72/258,230.67 - Step 6: Final answer
x = 197,030.65
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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.