Finding the Fourth Proportional to 322,508,283.20, 445,042,252.32 and 183,259,718.72
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Solution
The fourth proportional to 322,508,283.20, 445,042,252.32 and 183,259,718.72 is: 252,887,513.99
Step by Step Solution
- Step 1: Write the proportion equation
322,508,283.20 : 445,042,252.32 = 183,259,718.72 : x - Step 2: Convert to fraction form
322,508,283.20/445,042,252.32 = 183,259,718.72/x - Step 3: Cross multiply
322,508,283.20x = 445,042,252.32 × 183,259,718.72 - Step 4: Simplify right side
322,508,283.20x = 81,558,317,978,678,464 - Step 5: Solve for x
x = 81,558,317,978,678,464/322,508,283.20 - Step 6: Final answer
x = 252,887,513.99
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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.