Finding the Fourth Proportional to 211,969.27, 318,000.62 and 117,337.49
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Solution
The fourth proportional to 211,969.27, 318,000.62 and 117,337.49 is: 176,032.09
Step by Step Solution
- Step 1: Write the proportion equation
211,969.27 : 318,000.62 = 117,337.49 : x - Step 2: Convert to fraction form
211,969.27/318,000.62 = 117,337.49/x - Step 3: Cross multiply
211,969.27x = 318,000.62 × 117,337.49 - Step 4: Simplify right side
211,969.27x = 37,313,394,569.24 - Step 5: Solve for x
x = 37,313,394,569.24/211,969.27 - Step 6: Final answer
x = 176,032.09
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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.