Finding the Fourth Proportional to 129,745.60, 194,704.80 and 59,588.80
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Solution
The fourth proportional to 129,745.60, 194,704.80 and 59,588.80 is: 89,422.88
Step by Step Solution
- Step 1: Write the proportion equation
129,745.60 : 194,704.80 = 59,588.80 : x - Step 2: Convert to fraction form
129,745.60/194,704.80 = 59,588.80/x - Step 3: Cross multiply
129,745.60x = 194,704.80 × 59,588.80 - Step 4: Simplify right side
129,745.60x = 11,602,225,386.24 - Step 5: Solve for x
x = 11,602,225,386.24/129,745.60 - Step 6: Final answer
x = 89,422.88
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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.