Finding the Fourth Proportional to 804,145.80, 1,206,218.70 and 213,169.80
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Solution
The fourth proportional to 804,145.80, 1,206,218.70 and 213,169.80 is: 319,754.70
Step by Step Solution
- Step 1: Write the proportion equation
804,145.80 : 1,206,218.70 = 213,169.80 : x - Step 2: Convert to fraction form
804,145.80/1,206,218.70 = 213,169.80/x - Step 3: Cross multiply
804,145.80x = 1,206,218.70 × 213,169.80 - Step 4: Simplify right side
804,145.80x = 257,129,399,035.26 - Step 5: Solve for x
x = 257,129,399,035.26/804,145.80 - Step 6: Final answer
x = 319,754.70
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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.