Finding the Fourth Proportional to 827,496.99, 1,241,243.66 and 220,285.46
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Solution
The fourth proportional to 827,496.99, 1,241,243.66 and 220,285.46 is: 330,427.71
Step by Step Solution
- Step 1: Write the proportion equation
827,496.99 : 1,241,243.66 = 220,285.46 : x - Step 2: Convert to fraction form
827,496.99/1,241,243.66 = 220,285.46/x - Step 3: Cross multiply
827,496.99x = 1,241,243.66 × 220,285.46 - Step 4: Simplify right side
827,496.99x = 273,427,934,269.01 - Step 5: Solve for x
x = 273,427,934,269.01/827,496.99 - Step 6: Final answer
x = 330,427.71
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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.