Finding the Fourth Proportional to 213,290.61, 294,338.57 and 116,493.99
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Solution
The fourth proportional to 213,290.61, 294,338.57 and 116,493.99 is: 160,760.35
Step by Step Solution
- Step 1: Write the proportion equation
213,290.61 : 294,338.57 = 116,493.99 : x - Step 2: Convert to fraction form
213,290.61/294,338.57 = 116,493.99/x - Step 3: Cross multiply
213,290.61x = 294,338.57 × 116,493.99 - Step 4: Simplify right side
213,290.61x = 34,288,673,249.74 - Step 5: Solve for x
x = 34,288,673,249.74/213,290.61 - Step 6: Final answer
x = 160,760.35
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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.