Finding the Fourth Proportional to 213,423.94, 294,524.94 and 117,929.80
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Solution
The fourth proportional to 213,423.94, 294,524.94 and 117,929.80 is: 162,743.07
Step by Step Solution
- Step 1: Write the proportion equation
213,423.94 : 294,524.94 = 117,929.80 : x - Step 2: Convert to fraction form
213,423.94/294,524.94 = 117,929.80/x - Step 3: Cross multiply
213,423.94x = 294,524.94 × 117,929.80 - Step 4: Simplify right side
213,423.94x = 34,733,267,269.21 - Step 5: Solve for x
x = 34,733,267,269.21/213,423.94 - Step 6: Final answer
x = 162,743.07
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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.