Finding the Fourth Proportional to 251,239.64, 376,778.46 and 82,719.84
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Solution
The fourth proportional to 251,239.64, 376,778.46 and 82,719.84 is: 124,053.09
Step by Step Solution
- Step 1: Write the proportion equation
251,239.64 : 376,778.46 = 82,719.84 : x - Step 2: Convert to fraction form
251,239.64/376,778.46 = 82,719.84/x - Step 3: Cross multiply
251,239.64x = 376,778.46 × 82,719.84 - Step 4: Simplify right side
251,239.64x = 31,167,052,823.93 - Step 5: Solve for x
x = 31,167,052,823.93/251,239.64 - Step 6: Final answer
x = 124,053.09
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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.