Finding the Fourth Proportional to 235,511.96, 353,981.64 and 155,821.73
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Solution
The fourth proportional to 235,511.96, 353,981.64 and 155,821.73 is: 234,204.80
Step by Step Solution
- Step 1: Write the proportion equation
235,511.96 : 353,981.64 = 155,821.73 : x - Step 2: Convert to fraction form
235,511.96/353,981.64 = 155,821.73/x - Step 3: Cross multiply
235,511.96x = 353,981.64 × 155,821.73 - Step 4: Simplify right side
235,511.96x = 55,158,029,763.13 - Step 5: Solve for x
x = 55,158,029,763.13/235,511.96 - Step 6: Final answer
x = 234,204.80
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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.