Finding the Fourth Proportional to 407,326.73, 611,006.49 and 193,984.88
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Solution
The fourth proportional to 407,326.73, 611,006.49 and 193,984.88 is: 290,985.12
Step by Step Solution
- Step 1: Write the proportion equation
407,326.73 : 611,006.49 = 193,984.88 : x - Step 2: Convert to fraction form
407,326.73/611,006.49 = 193,984.88/x - Step 3: Cross multiply
407,326.73x = 611,006.49 × 193,984.88 - Step 4: Simplify right side
407,326.73x = 118,526,017,586.84 - Step 5: Solve for x
x = 118,526,017,586.84/407,326.73 - Step 6: Final answer
x = 290,985.12
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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.