Finding the Fourth Proportional to 376,516.99, 519,599.79 and 206,766.91
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Solution
The fourth proportional to 376,516.99, 519,599.79 and 206,766.91 is: 285,341.81
Step by Step Solution
- Step 1: Write the proportion equation
376,516.99 : 519,599.79 = 206,766.91 : x - Step 2: Convert to fraction form
376,516.99/519,599.79 = 206,766.91/x - Step 3: Cross multiply
376,516.99x = 519,599.79 × 206,766.91 - Step 4: Simplify right side
376,516.99x = 107,436,039,383.12 - Step 5: Solve for x
x = 107,436,039,383.12/376,516.99 - Step 6: Final answer
x = 285,341.81
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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.