Finding the Fourth Proportional to 304,678.83, 420,427.45 and 182,146.99
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Solution
The fourth proportional to 304,678.83, 420,427.45 and 182,146.99 is: 251,345.31
Step by Step Solution
- Step 1: Write the proportion equation
304,678.83 : 420,427.45 = 182,146.99 : x - Step 2: Convert to fraction form
304,678.83/420,427.45 = 182,146.99/x - Step 3: Cross multiply
304,678.83x = 420,427.45 × 182,146.99 - Step 4: Simplify right side
304,678.83x = 76,579,593,620.14 - Step 5: Solve for x
x = 76,579,593,620.14/304,678.83 - Step 6: Final answer
x = 251,345.31
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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.