Finding the Fourth Proportional to 171,580.68, 257,283.27 and 71,713.62
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Solution
The fourth proportional to 171,580.68, 257,283.27 and 71,713.62 is: 107,533.75
Step by Step Solution
- Step 1: Write the proportion equation
171,580.68 : 257,283.27 = 71,713.62 : x - Step 2: Convert to fraction form
171,580.68/257,283.27 = 71,713.62/x - Step 3: Cross multiply
171,580.68x = 257,283.27 × 71,713.62 - Step 4: Simplify right side
171,580.68x = 18,450,714,657.14 - Step 5: Solve for x
x = 18,450,714,657.14/171,580.68 - Step 6: Final answer
x = 107,533.75
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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.