Finding the Fourth Proportional to 386,410.14, 532,629.84 and 304,604.94
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Solution
The fourth proportional to 386,410.14, 532,629.84 and 304,604.94 is: 419,869.11
Step by Step Solution
- Step 1: Write the proportion equation
386,410.14 : 532,629.84 = 304,604.94 : x - Step 2: Convert to fraction form
386,410.14/532,629.84 = 304,604.94/x - Step 3: Cross multiply
386,410.14x = 532,629.84 × 304,604.94 - Step 4: Simplify right side
386,410.14x = 162,241,680,455.41 - Step 5: Solve for x
x = 162,241,680,455.41/386,410.14 - Step 6: Final answer
x = 419,869.11
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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.