Finding the Fourth Proportional to 303,419.06, 418,704.11 and 174,266.69
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Solution
The fourth proportional to 303,419.06, 418,704.11 and 174,266.69 is: 240,479.87
Step by Step Solution
- Step 1: Write the proportion equation
303,419.06 : 418,704.11 = 174,266.69 : x - Step 2: Convert to fraction form
303,419.06/418,704.11 = 174,266.69/x - Step 3: Cross multiply
303,419.06x = 418,704.11 × 174,266.69 - Step 4: Simplify right side
303,419.06x = 72,966,176,374.24 - Step 5: Solve for x
x = 72,966,176,374.24/303,419.06 - Step 6: Final answer
x = 240,479.87
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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.