Finding the Fourth Proportional to 162,990.53, 244,581.11 and 68,212.79
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Solution
The fourth proportional to 162,990.53, 244,581.11 and 68,212.79 is: 102,359.08
Step by Step Solution
- Step 1: Write the proportion equation
162,990.53 : 244,581.11 = 68,212.79 : x - Step 2: Convert to fraction form
162,990.53/244,581.11 = 68,212.79/x - Step 3: Cross multiply
162,990.53x = 244,581.11 × 68,212.79 - Step 4: Simplify right side
162,990.53x = 16,683,559,894.40 - Step 5: Solve for x
x = 16,683,559,894.40/162,990.53 - Step 6: Final answer
x = 102,359.08
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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.