Finding the Fourth Proportional to 290,110.08, 434,319.88 and 215,560.68
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Solution
The fourth proportional to 290,110.08, 434,319.88 and 215,560.68 is: 322,712.98
Step by Step Solution
- Step 1: Write the proportion equation
290,110.08 : 434,319.88 = 215,560.68 : x - Step 2: Convert to fraction form
290,110.08/434,319.88 = 215,560.68/x - Step 3: Cross multiply
290,110.08x = 434,319.88 × 215,560.68 - Step 4: Simplify right side
290,110.08x = 93,622,288,670.32 - Step 5: Solve for x
x = 93,622,288,670.32/290,110.08 - Step 6: Final answer
x = 322,712.98
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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.