Finding the Fourth Proportional to 290,879.34, 436,211.04 and 101,291.06
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Solution
The fourth proportional to 290,879.34, 436,211.04 and 101,291.06 is: 151,898.99
Step by Step Solution
- Step 1: Write the proportion equation
290,879.34 : 436,211.04 = 101,291.06 : x - Step 2: Convert to fraction form
290,879.34/436,211.04 = 101,291.06/x - Step 3: Cross multiply
290,879.34x = 436,211.04 × 101,291.06 - Step 4: Simplify right side
290,879.34x = 44,184,278,625.30 - Step 5: Solve for x
x = 44,184,278,625.30/290,879.34 - Step 6: Final answer
x = 151,898.99
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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.