Finding the Fourth Proportional to 335,497.75, 503,246.63 and 86,179.75
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Solution
The fourth proportional to 335,497.75, 503,246.63 and 86,179.75 is: 129,269.63
Step by Step Solution
- Step 1: Write the proportion equation
335,497.75 : 503,246.63 = 86,179.75 : x - Step 2: Convert to fraction form
335,497.75/503,246.63 = 86,179.75/x - Step 3: Cross multiply
335,497.75x = 503,246.63 × 86,179.75 - Step 4: Simplify right side
335,497.75x = 43,369,668,761.74 - Step 5: Solve for x
x = 43,369,668,761.74/335,497.75 - Step 6: Final answer
x = 129,269.63
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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.