Finding the Fourth Proportional to 262,229,249.48, 361,896,394.74 and 144,777,201.80
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Solution
The fourth proportional to 262,229,249.48, 361,896,394.74 and 144,777,201.80 is: 199,803,597.33
Step by Step Solution
- Step 1: Write the proportion equation
262,229,249.48 : 361,896,394.74 = 144,777,201.80 : x - Step 2: Convert to fraction form
262,229,249.48/361,896,394.74 = 144,777,201.80/x - Step 3: Cross multiply
262,229,249.48x = 361,896,394.74 × 144,777,201.80 - Step 4: Simplify right side
262,229,249.48x = 52,394,347,371,965,448 - Step 5: Solve for x
x = 52,394,347,371,965,448/262,229,249.48 - Step 6: Final answer
x = 199,803,597.33
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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.