Finding the Fourth Proportional to 305,308.53, 457,787.57 and 115,647.93
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Solution
The fourth proportional to 305,308.53, 457,787.57 and 115,647.93 is: 173,405.52
Step by Step Solution
- Step 1: Write the proportion equation
305,308.53 : 457,787.57 = 115,647.93 : x - Step 2: Convert to fraction form
305,308.53/457,787.57 = 115,647.93/x - Step 3: Cross multiply
305,308.53x = 457,787.57 × 115,647.93 - Step 4: Simplify right side
305,308.53x = 52,942,182,561.29 - Step 5: Solve for x
x = 52,942,182,561.29/305,308.53 - Step 6: Final answer
x = 173,405.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.