Finding the Fourth Proportional to 290,269.88, 435,409.43 and 110,358.05
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Solution
The fourth proportional to 290,269.88, 435,409.43 and 110,358.05 is: 165,538.82
Step by Step Solution
- Step 1: Write the proportion equation
290,269.88 : 435,409.43 = 110,358.05 : x - Step 2: Convert to fraction form
290,269.88/435,409.43 = 110,358.05/x - Step 3: Cross multiply
290,269.88x = 435,409.43 × 110,358.05 - Step 4: Simplify right side
290,269.88x = 48,050,932,917.57 - Step 5: Solve for x
x = 48,050,932,917.57/290,269.88 - Step 6: Final answer
x = 165,538.82
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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.