Finding the Fourth Proportional to 235,511.20, 352,748.40 and 165,008.80
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Solution
The fourth proportional to 235,511.20, 352,748.40 and 165,008.80 is: 247,149.99
Step by Step Solution
- Step 1: Write the proportion equation
235,511.20 : 352,748.40 = 165,008.80 : x - Step 2: Convert to fraction form
235,511.20/352,748.40 = 165,008.80/x - Step 3: Cross multiply
235,511.20x = 352,748.40 × 165,008.80 - Step 4: Simplify right side
235,511.20x = 58,206,590,185.92 - Step 5: Solve for x
x = 58,206,590,185.92/235,511.20 - Step 6: Final answer
x = 247,149.99
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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.