Finding the Fourth Proportional to 377,964.97, 521,570.44 and 216,804.94
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Solution
The fourth proportional to 377,964.97, 521,570.44 and 216,804.94 is: 299,178.65
Step by Step Solution
- Step 1: Write the proportion equation
377,964.97 : 521,570.44 = 216,804.94 : x - Step 2: Convert to fraction form
377,964.97/521,570.44 = 216,804.94/x - Step 3: Cross multiply
377,964.97x = 521,570.44 × 216,804.94 - Step 4: Simplify right side
377,964.97x = 113,079,046,917.05 - Step 5: Solve for x
x = 113,079,046,917.05/377,964.97 - Step 6: Final answer
x = 299,178.65
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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.