Finding the Fourth Proportional to 193,753.80, 267,412.36 and 113,181.08
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Solution
The fourth proportional to 193,753.80, 267,412.36 and 113,181.08 is: 156,208.65
Step by Step Solution
- Step 1: Write the proportion equation
193,753.80 : 267,412.36 = 113,181.08 : x - Step 2: Convert to fraction form
193,753.80/267,412.36 = 113,181.08/x - Step 3: Cross multiply
193,753.80x = 267,412.36 × 113,181.08 - Step 4: Simplify right side
193,753.80x = 30,266,019,710.15 - Step 5: Solve for x
x = 30,266,019,710.15/193,753.80 - Step 6: Final answer
x = 156,208.65
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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.