Finding the Fourth Proportional to 418,458.24, 627,694.47 and 181,800.99
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Solution
The fourth proportional to 418,458.24, 627,694.47 and 181,800.99 is: 272,704.57
Step by Step Solution
- Step 1: Write the proportion equation
418,458.24 : 627,694.47 = 181,800.99 : x - Step 2: Convert to fraction form
418,458.24/627,694.47 = 181,800.99/x - Step 3: Cross multiply
418,458.24x = 627,694.47 × 181,800.99 - Step 4: Simplify right side
418,458.24x = 114,115,476,063.53 - Step 5: Solve for x
x = 114,115,476,063.53/418,458.24 - Step 6: Final answer
x = 272,704.57
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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.