Finding the Fourth Proportional to 415,825.30, 623,642.57 and 116,326.99
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Solution
The fourth proportional to 415,825.30, 623,642.57 and 116,326.99 is: 174,463.80
Step by Step Solution
- Step 1: Write the proportion equation
415,825.30 : 623,642.57 = 116,326.99 : x - Step 2: Convert to fraction form
415,825.30/623,642.57 = 116,326.99/x - Step 3: Cross multiply
415,825.30x = 623,642.57 × 116,326.99 - Step 4: Simplify right side
415,825.30x = 72,546,460,863.22 - Step 5: Solve for x
x = 72,546,460,863.22/415,825.30 - Step 6: Final answer
x = 174,463.80
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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.