Finding the Fourth Proportional to 135,247.32, 202,889.44 and 56,343.09
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Solution
The fourth proportional to 135,247.32, 202,889.44 and 56,343.09 is: 84,522.33
Step by Step Solution
- Step 1: Write the proportion equation
135,247.32 : 202,889.44 = 56,343.09 : x - Step 2: Convert to fraction form
135,247.32/202,889.44 = 56,343.09/x - Step 3: Cross multiply
135,247.32x = 202,889.44 × 56,343.09 - Step 4: Simplify right side
135,247.32x = 11,431,418,809.23 - Step 5: Solve for x
x = 11,431,418,809.23/135,247.32 - Step 6: Final answer
x = 84,522.33
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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.