Finding the Fourth Proportional to 376,516.17, 519,598.67 and 206,766.09
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Solution
The fourth proportional to 376,516.17, 519,598.67 and 206,766.09 is: 285,340.69
Step by Step Solution
- Step 1: Write the proportion equation
376,516.17 : 519,598.67 = 206,766.09 : x - Step 2: Convert to fraction form
376,516.17/519,598.67 = 206,766.09/x - Step 3: Cross multiply
376,516.17x = 519,598.67 × 206,766.09 - Step 4: Simplify right side
376,516.17x = 107,435,385,365.10 - Step 5: Solve for x
x = 107,435,385,365.10/376,516.17 - Step 6: Final answer
x = 285,340.69
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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.