Finding the Fourth Proportional to 220,527.99, 304,321.50 and 125,043.19
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Solution
The fourth proportional to 220,527.99, 304,321.50 and 125,043.19 is: 172,555.56
Step by Step Solution
- Step 1: Write the proportion equation
220,527.99 : 304,321.50 = 125,043.19 : x - Step 2: Convert to fraction form
220,527.99/304,321.50 = 125,043.19/x - Step 3: Cross multiply
220,527.99x = 304,321.50 × 125,043.19 - Step 4: Simplify right side
220,527.99x = 38,053,329,936.59 - Step 5: Solve for x
x = 38,053,329,936.59/220,527.99 - Step 6: Final answer
x = 172,555.56
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1.5x scale
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.