Finding the Fourth Proportional to 92,316.65, 138,474.97 and 29,181.12
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Solution
The fourth proportional to 92,316.65, 138,474.97 and 29,181.12 is: 43,771.68
Step by Step Solution
- Step 1: Write the proportion equation
92,316.65 : 138,474.97 = 29,181.12 : x - Step 2: Convert to fraction form
92,316.65/138,474.97 = 29,181.12/x - Step 3: Cross multiply
92,316.65x = 138,474.97 × 29,181.12 - Step 4: Simplify right side
92,316.65x = 4,040,854,406.36 - Step 5: Solve for x
x = 4,040,854,406.36/92,316.65 - Step 6: Final answer
x = 43,771.68
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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.