Finding the Fourth Proportional to 92,408.06, 138,629.19 and 29,244.08
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Solution
The fourth proportional to 92,408.06, 138,629.19 and 29,244.08 is: 43,871.53
Step by Step Solution
- Step 1: Write the proportion equation
92,408.06 : 138,629.19 = 29,244.08 : x - Step 2: Convert to fraction form
92,408.06/138,629.19 = 29,244.08/x - Step 3: Cross multiply
92,408.06x = 138,629.19 × 29,244.08 - Step 4: Simplify right side
92,408.06x = 4,054,082,429.55 - Step 5: Solve for x
x = 4,054,082,429.55/92,408.06 - Step 6: Final answer
x = 43,871.53
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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.