Finding the Fourth Proportional to 245,590,272.74, 339,067,556.81 and 156,332,597.81
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Solution
The fourth proportional to 245,590,272.74, 339,067,556.81 and 156,332,597.81 is: 215,836,365.98
Step by Step Solution
- Step 1: Write the proportion equation
245,590,272.74 : 339,067,556.81 = 156,332,597.81 : x - Step 2: Convert to fraction form
245,590,272.74/339,067,556.81 = 156,332,597.81/x - Step 3: Cross multiply
245,590,272.74x = 339,067,556.81 × 156,332,597.81 - Step 4: Simplify right side
245,590,272.74x = 53,007,311,987,501,720 - Step 5: Solve for x
x = 53,007,311,987,501,720/245,590,272.74 - Step 6: Final answer
x = 215,836,365.98
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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.