Finding the Fourth Proportional to 164,537.31, 246,805.97 and 39,878.31
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Solution
The fourth proportional to 164,537.31, 246,805.97 and 39,878.31 is: 59,817.47
Step by Step Solution
- Step 1: Write the proportion equation
164,537.31 : 246,805.97 = 39,878.31 : x - Step 2: Convert to fraction form
164,537.31/246,805.97 = 39,878.31/x - Step 3: Cross multiply
164,537.31x = 246,805.97 × 39,878.31 - Step 4: Simplify right side
164,537.31x = 9,842,204,981.51 - Step 5: Solve for x
x = 9,842,204,981.51/164,537.31 - Step 6: Final answer
x = 59,817.47
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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.