Finding the Fourth Proportional to 229,878.63, 344,369.61 and 129,735.90
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Solution
The fourth proportional to 229,878.63, 344,369.61 and 129,735.90 is: 194,350.82
Step by Step Solution
- Step 1: Write the proportion equation
229,878.63 : 344,369.61 = 129,735.90 : x - Step 2: Convert to fraction form
229,878.63/344,369.61 = 129,735.90/x - Step 3: Cross multiply
229,878.63x = 344,369.61 × 129,735.90 - Step 4: Simplify right side
229,878.63x = 44,677,101,286.00 - Step 5: Solve for x
x = 44,677,101,286.00/229,878.63 - Step 6: Final answer
x = 194,350.82
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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.