Finding the Fourth Proportional to 213,198.84, 294,214.32 and 117,712.08
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Solution
The fourth proportional to 213,198.84, 294,214.32 and 117,712.08 is: 162,442.63
Step by Step Solution
- Step 1: Write the proportion equation
213,198.84 : 294,214.32 = 117,712.08 : x - Step 2: Convert to fraction form
213,198.84/294,214.32 = 117,712.08/x - Step 3: Cross multiply
213,198.84x = 294,214.32 × 117,712.08 - Step 4: Simplify right side
213,198.84x = 34,632,579,572.99 - Step 5: Solve for x
x = 34,632,579,572.99/213,198.84 - Step 6: Final answer
x = 162,442.63
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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.