Finding the Fourth Proportional to 251,377.17, 376,985.62 and 82,866.09
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Solution
The fourth proportional to 251,377.17, 376,985.62 and 82,866.09 is: 124,272.72
Step by Step Solution
- Step 1: Write the proportion equation
251,377.17 : 376,985.62 = 82,866.09 : x - Step 2: Convert to fraction form
251,377.17/376,985.62 = 82,866.09/x - Step 3: Cross multiply
251,377.17x = 376,985.62 × 82,866.09 - Step 4: Simplify right side
251,377.17x = 31,239,324,315.63 - Step 5: Solve for x
x = 31,239,324,315.63/251,377.17 - Step 6: Final answer
x = 124,272.72
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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.