Finding the Fourth Proportional to 536,836.11, 804,663.67 and 221,120.79
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Solution
The fourth proportional to 536,836.11, 804,663.67 and 221,120.79 is: 331,437.96
Step by Step Solution
- Step 1: Write the proportion equation
536,836.11 : 804,663.67 = 221,120.79 : x - Step 2: Convert to fraction form
536,836.11/804,663.67 = 221,120.79/x - Step 3: Cross multiply
536,836.11x = 804,663.67 × 221,120.79 - Step 4: Simplify right side
536,836.11x = 177,927,863,239.01 - Step 5: Solve for x
x = 177,927,863,239.01/536,836.11 - Step 6: Final answer
x = 331,437.96
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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.