Finding the Fourth Proportional to 274,402.19, 411,176.58 and 190,326.62
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Solution
The fourth proportional to 274,402.19, 411,176.58 and 190,326.62 is: 285,193.97
Step by Step Solution
- Step 1: Write the proportion equation
274,402.19 : 411,176.58 = 190,326.62 : x - Step 2: Convert to fraction form
274,402.19/411,176.58 = 190,326.62/x - Step 3: Cross multiply
274,402.19x = 411,176.58 × 190,326.62 - Step 4: Simplify right side
274,402.19x = 78,257,848,694.56 - Step 5: Solve for x
x = 78,257,848,694.56/274,402.19 - Step 6: Final answer
x = 285,193.97
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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.