Finding the Fourth Proportional to 133,662.96, 184,431.44 and 76,276.08
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Solution
The fourth proportional to 133,662.96, 184,431.44 and 76,276.08 is: 105,247.61
Step by Step Solution
- Step 1: Write the proportion equation
133,662.96 : 184,431.44 = 76,276.08 : x - Step 2: Convert to fraction form
133,662.96/184,431.44 = 76,276.08/x - Step 3: Cross multiply
133,662.96x = 184,431.44 × 76,276.08 - Step 4: Simplify right side
133,662.96x = 14,067,705,968.42 - Step 5: Solve for x
x = 14,067,705,968.42/133,662.96 - Step 6: Final answer
x = 105,247.61
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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.