Finding the Fourth Proportional to 115,353.26, 173,020.47 and 51,331.26
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Solution
The fourth proportional to 115,353.26, 173,020.47 and 51,331.26 is: 76,992.70
Step by Step Solution
- Step 1: Write the proportion equation
115,353.26 : 173,020.47 = 51,331.26 : x - Step 2: Convert to fraction form
115,353.26/173,020.47 = 51,331.26/x - Step 3: Cross multiply
115,353.26x = 173,020.47 × 51,331.26 - Step 4: Simplify right side
115,353.26x = 8,881,358,730.89 - Step 5: Solve for x
x = 8,881,358,730.89/115,353.26 - Step 6: Final answer
x = 76,992.70
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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.