Finding the Fourth Proportional to 157,343.94, 235,887.84 and 73,157.13
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Solution
The fourth proportional to 157,343.94, 235,887.84 and 73,157.13 is: 109,676.15
Step by Step Solution
- Step 1: Write the proportion equation
157,343.94 : 235,887.84 = 73,157.13 : x - Step 2: Convert to fraction form
157,343.94/235,887.84 = 73,157.13/x - Step 3: Cross multiply
157,343.94x = 235,887.84 × 73,157.13 - Step 4: Simplify right side
157,343.94x = 17,256,877,376.30 - Step 5: Solve for x
x = 17,256,877,376.30/157,343.94 - Step 6: Final answer
x = 109,676.15
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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.