Finding the Fourth Proportional to 547,053.23, 754,971.50 and 305,382.98
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Solution
The fourth proportional to 547,053.23, 754,971.50 and 305,382.98 is: 421,449.75
Step by Step Solution
- Step 1: Write the proportion equation
547,053.23 : 754,971.50 = 305,382.98 : x - Step 2: Convert to fraction form
547,053.23/754,971.50 = 305,382.98/x - Step 3: Cross multiply
547,053.23x = 754,971.50 × 305,382.98 - Step 4: Simplify right side
547,053.23x = 230,555,446,485.07 - Step 5: Solve for x
x = 230,555,446,485.07/547,053.23 - Step 6: Final answer
x = 421,449.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.