Finding the Fourth Proportional to 290,246.22, 435,537.30 and 121,751.46
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Solution
The fourth proportional to 290,246.22, 435,537.30 and 121,751.46 is: 182,697.65
Step by Step Solution
- Step 1: Write the proportion equation
290,246.22 : 435,537.30 = 121,751.46 : x - Step 2: Convert to fraction form
290,246.22/435,537.30 = 121,751.46/x - Step 3: Cross multiply
290,246.22x = 435,537.30 × 121,751.46 - Step 4: Simplify right side
290,246.22x = 53,027,302,159.46 - Step 5: Solve for x
x = 53,027,302,159.46/290,246.22 - Step 6: Final answer
x = 182,697.65
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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.