Finding the Fourth Proportional to 804,143.80, 1,206,129.30 and 213,167.80
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Solution
The fourth proportional to 804,143.80, 1,206,129.30 and 213,167.80 is: 319,728.80
Step by Step Solution
- Step 1: Write the proportion equation
804,143.80 : 1,206,129.30 = 213,167.80 : x - Step 2: Convert to fraction form
804,143.80/1,206,129.30 = 213,167.80/x - Step 3: Cross multiply
804,143.80x = 1,206,129.30 × 213,167.80 - Step 4: Simplify right side
804,143.80x = 257,107,929,396.54 - Step 5: Solve for x
x = 257,107,929,396.54/804,143.80 - Step 6: Final answer
x = 319,728.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.