Finding the Fourth Proportional to 251,310.24, 376,760.64 and 138,985.92
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Solution
The fourth proportional to 251,310.24, 376,760.64 and 138,985.92 is: 208,365.66
Step by Step Solution
- Step 1: Write the proportion equation
251,310.24 : 376,760.64 = 138,985.92 : x - Step 2: Convert to fraction form
251,310.24/376,760.64 = 138,985.92/x - Step 3: Cross multiply
251,310.24x = 376,760.64 × 138,985.92 - Step 4: Simplify right side
251,310.24x = 52,364,424,170.19 - Step 5: Solve for x
x = 52,364,424,170.19/251,310.24 - Step 6: Final answer
x = 208,365.66
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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.