Finding the Fourth Proportional to 115,444.14, 173,034.09 and 52,312.38
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Solution
The fourth proportional to 115,444.14, 173,034.09 and 52,312.38 is: 78,408.70
Step by Step Solution
- Step 1: Write the proportion equation
115,444.14 : 173,034.09 = 52,312.38 : x - Step 2: Convert to fraction form
115,444.14/173,034.09 = 52,312.38/x - Step 3: Cross multiply
115,444.14x = 173,034.09 × 52,312.38 - Step 4: Simplify right side
115,444.14x = 9,051,825,069.03 - Step 5: Solve for x
x = 9,051,825,069.03/115,444.14 - Step 6: Final answer
x = 78,408.70
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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.