Finding the Fourth Proportional to 178,429.75, 246,233.06 and 98,941.75
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Solution
The fourth proportional to 178,429.75, 246,233.06 and 98,941.75 is: 136,539.62
Step by Step Solution
- Step 1: Write the proportion equation
178,429.75 : 246,233.06 = 98,941.75 : x - Step 2: Convert to fraction form
178,429.75/246,233.06 = 98,941.75/x - Step 3: Cross multiply
178,429.75x = 246,233.06 × 98,941.75 - Step 4: Simplify right side
178,429.75x = 24,362,729,369.55 - Step 5: Solve for x
x = 24,362,729,369.55/178,429.75 - Step 6: Final answer
x = 136,539.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.