Finding the Fourth Proportional to 217,511.12, 326,385.60 and 84,396.63
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Solution
The fourth proportional to 217,511.12, 326,385.60 and 84,396.63 is: 126,641.09
Step by Step Solution
- Step 1: Write the proportion equation
217,511.12 : 326,385.60 = 84,396.63 : x - Step 2: Convert to fraction form
217,511.12/326,385.60 = 84,396.63/x - Step 3: Cross multiply
217,511.12x = 326,385.60 × 84,396.63 - Step 4: Simplify right side
217,511.12x = 27,545,844,720.53 - Step 5: Solve for x
x = 27,545,844,720.53/217,511.12 - Step 6: Final answer
x = 126,641.09
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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.