Finding the Fourth Proportional to 331,608.25, 497,509.26 and 106,963.71
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Solution
The fourth proportional to 331,608.25, 497,509.26 and 106,963.71 is: 160,476.82
Step by Step Solution
- Step 1: Write the proportion equation
331,608.25 : 497,509.26 = 106,963.71 : x - Step 2: Convert to fraction form
331,608.25/497,509.26 = 106,963.71/x - Step 3: Cross multiply
331,608.25x = 497,509.26 × 106,963.71 - Step 4: Simplify right side
331,608.25x = 53,215,439,042.42 - Step 5: Solve for x
x = 53,215,439,042.42/331,608.25 - Step 6: Final answer
x = 160,476.82
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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.