Finding the Fourth Proportional to 148,757.88, 223,138.65 and 43,578.99
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Solution
The fourth proportional to 148,757.88, 223,138.65 and 43,578.99 is: 65,369.02
Step by Step Solution
- Step 1: Write the proportion equation
148,757.88 : 223,138.65 = 43,578.99 : x - Step 2: Convert to fraction form
148,757.88/223,138.65 = 43,578.99/x - Step 3: Cross multiply
148,757.88x = 223,138.65 × 43,578.99 - Step 4: Simplify right side
148,757.88x = 9,724,156,996.96 - Step 5: Solve for x
x = 9,724,156,996.96/148,757.88 - Step 6: Final answer
x = 65,369.02
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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.