Finding the Fourth Proportional to 303,393.47, 418,506.14 and 194,459.00
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Solution
The fourth proportional to 303,393.47, 418,506.14 and 194,459.00 is: 268,240.07
Step by Step Solution
- Step 1: Write the proportion equation
303,393.47 : 418,506.14 = 194,459.00 : x - Step 2: Convert to fraction form
303,393.47/418,506.14 = 194,459.00/x - Step 3: Cross multiply
303,393.47x = 418,506.14 × 194,459.00 - Step 4: Simplify right side
303,393.47x = 81,382,283,871.88 - Step 5: Solve for x
x = 81,382,283,871.88/303,393.47 - Step 6: Final answer
x = 268,240.07
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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.