Finding the Fourth Proportional to 155,229.68, 232,849.69 and 121,464.56
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Solution
The fourth proportional to 155,229.68, 232,849.69 and 121,464.56 is: 182,200.88
Step by Step Solution
- Step 1: Write the proportion equation
155,229.68 : 232,849.69 = 121,464.56 : x - Step 2: Convert to fraction form
155,229.68/232,849.69 = 121,464.56/x - Step 3: Cross multiply
155,229.68x = 232,849.69 × 121,464.56 - Step 4: Simplify right side
155,229.68x = 28,282,985,420.45 - Step 5: Solve for x
x = 28,282,985,420.45/155,229.68 - Step 6: Final answer
x = 182,200.88
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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.