Finding the Fourth Proportional to 203,829.08, 305,863.91 and 77,575.62
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Solution
The fourth proportional to 203,829.08, 305,863.91 and 77,575.62 is: 116,409.22
Step by Step Solution
- Step 1: Write the proportion equation
203,829.08 : 305,863.91 = 77,575.62 : x - Step 2: Convert to fraction form
203,829.08/305,863.91 = 77,575.62/x - Step 3: Cross multiply
203,829.08x = 305,863.91 × 77,575.62 - Step 4: Simplify right side
203,829.08x = 23,727,583,612.99 - Step 5: Solve for x
x = 23,727,583,612.99/203,829.08 - Step 6: Final answer
x = 116,409.22
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.