Finding the Fourth Proportional to 376,020.68, 518,836.74 and 214,926.80
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Solution
The fourth proportional to 376,020.68, 518,836.74 and 214,926.80 is: 296,557.95
Step by Step Solution
- Step 1: Write the proportion equation
376,020.68 : 518,836.74 = 214,926.80 : x - Step 2: Convert to fraction form
376,020.68/518,836.74 = 214,926.80/x - Step 3: Cross multiply
376,020.68x = 518,836.74 × 214,926.80 - Step 4: Simplify right side
376,020.68x = 111,511,920,250.63 - Step 5: Solve for x
x = 111,511,920,250.63/376,020.68 - Step 6: Final answer
x = 296,557.95
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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.