Finding the Fourth Proportional to 171,759.48, 257,514.66 and 115,459.94
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Solution
The fourth proportional to 171,759.48, 257,514.66 and 115,459.94 is: 173,106.17
Step by Step Solution
- Step 1: Write the proportion equation
171,759.48 : 257,514.66 = 115,459.94 : x - Step 2: Convert to fraction form
171,759.48/257,514.66 = 115,459.94/x - Step 3: Cross multiply
171,759.48x = 257,514.66 × 115,459.94 - Step 4: Simplify right side
171,759.48x = 29,732,625,905.15 - Step 5: Solve for x
x = 29,732,625,905.15/171,759.48 - Step 6: Final answer
x = 173,106.17
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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.