Finding the Fourth Proportional to 171,892.36, 257,724.18 and 87,683.08
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Solution
The fourth proportional to 171,892.36, 257,724.18 and 87,683.08 is: 131,466.28
Step by Step Solution
- Step 1: Write the proportion equation
171,892.36 : 257,724.18 = 87,683.08 : x - Step 2: Convert to fraction form
171,892.36/257,724.18 = 87,683.08/x - Step 3: Cross multiply
171,892.36x = 257,724.18 × 87,683.08 - Step 4: Simplify right side
171,892.36x = 22,598,049,892.87 - Step 5: Solve for x
x = 22,598,049,892.87/171,892.36 - Step 6: Final answer
x = 131,466.28
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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.