Finding the Fourth Proportional to 382,688.70, 574,042.50 and 183,030.18
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Solution
The fourth proportional to 382,688.70, 574,042.50 and 183,030.18 is: 274,549.79
Step by Step Solution
- Step 1: Write the proportion equation
382,688.70 : 574,042.50 = 183,030.18 : x - Step 2: Convert to fraction form
382,688.70/574,042.50 = 183,030.18/x - Step 3: Cross multiply
382,688.70x = 574,042.50 × 183,030.18 - Step 4: Simplify right side
382,688.70x = 105,067,102,102.65 - Step 5: Solve for x
x = 105,067,102,102.65/382,688.70 - Step 6: Final answer
x = 274,549.79
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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.