Finding the Fourth Proportional to 342,812.23, 473,082.19 and 189,847.06
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Solution
The fourth proportional to 342,812.23, 473,082.19 and 189,847.06 is: 261,989.67
Step by Step Solution
- Step 1: Write the proportion equation
342,812.23 : 473,082.19 = 189,847.06 : x - Step 2: Convert to fraction form
342,812.23/473,082.19 = 189,847.06/x - Step 3: Cross multiply
342,812.23x = 473,082.19 × 189,847.06 - Step 4: Simplify right side
342,812.23x = 89,813,261,252.54 - Step 5: Solve for x
x = 89,813,261,252.54/342,812.23 - Step 6: Final answer
x = 261,989.67
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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.