Finding the Fourth Proportional to 769,771.68, 1,154,521.44 and 208,849.92
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Solution
The fourth proportional to 769,771.68, 1,154,521.44 and 208,849.92 is: 313,237.96
Step by Step Solution
- Step 1: Write the proportion equation
769,771.68 : 1,154,521.44 = 208,849.92 : x - Step 2: Convert to fraction form
769,771.68/1,154,521.44 = 208,849.92/x - Step 3: Cross multiply
769,771.68x = 1,154,521.44 × 208,849.92 - Step 4: Simplify right side
769,771.68x = 241,121,710,382.29 - Step 5: Solve for x
x = 241,121,710,382.29/769,771.68 - Step 6: Final answer
x = 313,237.96
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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.