Finding the Fourth Proportional to 247,231.62, 341,178.21 and 134,051.94
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Solution
The fourth proportional to 247,231.62, 341,178.21 and 134,051.94 is: 184,990.90
Step by Step Solution
- Step 1: Write the proportion equation
247,231.62 : 341,178.21 = 134,051.94 : x - Step 2: Convert to fraction form
247,231.62/341,178.21 = 134,051.94/x - Step 3: Cross multiply
247,231.62x = 341,178.21 × 134,051.94 - Step 4: Simplify right side
247,231.62x = 45,735,600,936.23 - Step 5: Solve for x
x = 45,735,600,936.23/247,231.62 - Step 6: Final answer
x = 184,990.90
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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.