Finding the Fourth Proportional to 171,504.35, 257,344.27 and 81,648.62
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Solution
The fourth proportional to 171,504.35, 257,344.27 and 81,648.62 is: 122,514.70
Step by Step Solution
- Step 1: Write the proportion equation
171,504.35 : 257,344.27 = 81,648.62 : x - Step 2: Convert to fraction form
171,504.35/257,344.27 = 81,648.62/x - Step 3: Cross multiply
171,504.35x = 257,344.27 × 81,648.62 - Step 4: Simplify right side
171,504.35x = 21,011,804,510.41 - Step 5: Solve for x
x = 21,011,804,510.41/171,504.35 - Step 6: Final answer
x = 122,514.70
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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.