Finding the Fourth Proportional to 171,713.07, 257,553.18 and 105,118.92
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Solution
The fourth proportional to 171,713.07, 257,553.18 and 105,118.92 is: 157,668.32
Step by Step Solution
- Step 1: Write the proportion equation
171,713.07 : 257,553.18 = 105,118.92 : x - Step 2: Convert to fraction form
171,713.07/257,553.18 = 105,118.92/x - Step 3: Cross multiply
171,713.07x = 257,553.18 × 105,118.92 - Step 4: Simplify right side
171,713.07x = 27,073,712,124.17 - Step 5: Solve for x
x = 27,073,712,124.17/171,713.07 - Step 6: Final answer
x = 157,668.32
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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.