Finding the Fourth Proportional to 129,577.60, 194,452.80 and 59,420.80
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Solution
The fourth proportional to 129,577.60, 194,452.80 and 59,420.80 is: 89,170.82
Step by Step Solution
- Step 1: Write the proportion equation
129,577.60 : 194,452.80 = 59,420.80 : x - Step 2: Convert to fraction form
129,577.60/194,452.80 = 59,420.80/x - Step 3: Cross multiply
129,577.60x = 194,452.80 × 59,420.80 - Step 4: Simplify right side
129,577.60x = 11,554,540,938.24 - Step 5: Solve for x
x = 11,554,540,938.24/129,577.60 - Step 6: Final answer
x = 89,170.82
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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.