Finding the Fourth Proportional to 274,326.93, 411,448.82 and 74,662.88
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Solution
The fourth proportional to 274,326.93, 411,448.82 and 74,662.88 is: 111,983.00
Step by Step Solution
- Step 1: Write the proportion equation
274,326.93 : 411,448.82 = 74,662.88 : x - Step 2: Convert to fraction form
274,326.93/411,448.82 = 74,662.88/x - Step 3: Cross multiply
274,326.93x = 411,448.82 × 74,662.88 - Step 4: Simplify right side
274,326.93x = 30,719,951,443.24 - Step 5: Solve for x
x = 30,719,951,443.24/274,326.93 - Step 6: Final answer
x = 111,983.00
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1.5x scale
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.