Finding the Fourth Proportional to 243,910.05, 365,918.84 and 73,124.96
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Solution
The fourth proportional to 243,910.05, 365,918.84 and 73,124.96 is: 109,703.55
Step by Step Solution
- Step 1: Write the proportion equation
243,910.05 : 365,918.84 = 73,124.96 : x - Step 2: Convert to fraction form
243,910.05/365,918.84 = 73,124.96/x - Step 3: Cross multiply
243,910.05x = 365,918.84 × 73,124.96 - Step 4: Simplify right side
243,910.05x = 26,757,798,343.03 - Step 5: Solve for x
x = 26,757,798,343.03/243,910.05 - Step 6: Final answer
x = 109,703.55
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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.