Finding the Fourth Proportional to 294,687.41, 406,702.34 and 163,878.12
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Solution
The fourth proportional to 294,687.41, 406,702.34 and 163,878.12 is: 226,170.55
Step by Step Solution
- Step 1: Write the proportion equation
294,687.41 : 406,702.34 = 163,878.12 : x - Step 2: Convert to fraction form
294,687.41/406,702.34 = 163,878.12/x - Step 3: Cross multiply
294,687.41x = 406,702.34 × 163,878.12 - Step 4: Simplify right side
294,687.41x = 66,649,613,499.19 - Step 5: Solve for x
x = 66,649,613,499.19/294,687.41 - Step 6: Final answer
x = 226,170.55
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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.