Finding the Fourth Proportional to 276,104.79, 414,157.77 and 76,425.75
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Solution
The fourth proportional to 276,104.79, 414,157.77 and 76,425.75 is: 114,638.79
Step by Step Solution
- Step 1: Write the proportion equation
276,104.79 : 414,157.77 = 76,425.75 : x - Step 2: Convert to fraction form
276,104.79/414,157.77 = 76,425.75/x - Step 3: Cross multiply
276,104.79x = 414,157.77 × 76,425.75 - Step 4: Simplify right side
276,104.79x = 31,652,318,190.58 - Step 5: Solve for x
x = 31,652,318,190.58/276,104.79 - Step 6: Final answer
x = 114,638.79
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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.