Finding the Fourth Proportional to 213,135.05, 294,126.39 and 117,641.77
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Solution
The fourth proportional to 213,135.05, 294,126.39 and 117,641.77 is: 162,345.65
Step by Step Solution
- Step 1: Write the proportion equation
213,135.05 : 294,126.39 = 117,641.77 : x - Step 2: Convert to fraction form
213,135.05/294,126.39 = 117,641.77/x - Step 3: Cross multiply
213,135.05x = 294,126.39 × 117,641.77 - Step 4: Simplify right side
213,135.05x = 34,601,548,387.99 - Step 5: Solve for x
x = 34,601,548,387.99/213,135.05 - Step 6: Final answer
x = 162,345.65
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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.