Finding the Fourth Proportional to 397,681.08, 548,618.60 and 236,444.52
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Solution
The fourth proportional to 397,681.08, 548,618.60 and 236,444.52 is: 326,185.65
Step by Step Solution
- Step 1: Write the proportion equation
397,681.08 : 548,618.60 = 236,444.52 : x - Step 2: Convert to fraction form
397,681.08/548,618.60 = 236,444.52/x - Step 3: Cross multiply
397,681.08x = 548,618.60 × 236,444.52 - Step 4: Simplify right side
397,681.08x = 129,717,861,540.07 - Step 5: Solve for x
x = 129,717,861,540.07/397,681.08 - Step 6: Final answer
x = 326,185.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.