Finding the Fourth Proportional to 536,837.11, 804,665.17 and 221,121.79
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Solution
The fourth proportional to 536,837.11, 804,665.17 and 221,121.79 is: 331,439.46
Step by Step Solution
- Step 1: Write the proportion equation
536,837.11 : 804,665.17 = 221,121.79 : x - Step 2: Convert to fraction form
536,837.11/804,665.17 = 221,121.79/x - Step 3: Cross multiply
536,837.11x = 804,665.17 × 221,121.79 - Step 4: Simplify right side
536,837.11x = 177,929,002,741.05 - Step 5: Solve for x
x = 177,929,002,741.05/536,837.11 - Step 6: Final answer
x = 331,439.46
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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.