Finding the Fourth Proportional to 290,650.48, 436,143.96 and 122,157.52
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Solution
The fourth proportional to 290,650.48, 436,143.96 and 122,157.52 is: 183,306.99
Step by Step Solution
- Step 1: Write the proportion equation
290,650.48 : 436,143.96 = 122,157.52 : x - Step 2: Convert to fraction form
290,650.48/436,143.96 = 122,157.52/x - Step 3: Cross multiply
290,650.48x = 436,143.96 × 122,157.52 - Step 4: Simplify right side
290,650.48x = 53,278,264,516.58 - Step 5: Solve for x
x = 53,278,264,516.58/290,650.48 - Step 6: Final answer
x = 183,306.99
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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.