Finding the Fourth Proportional to 76,838.29, 115,257.44 and 24,251.88
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Solution
The fourth proportional to 76,838.29, 115,257.44 and 24,251.88 is: 36,377.82
Step by Step Solution
- Step 1: Write the proportion equation
76,838.29 : 115,257.44 = 24,251.88 : x - Step 2: Convert to fraction form
76,838.29/115,257.44 = 24,251.88/x - Step 3: Cross multiply
76,838.29x = 115,257.44 × 24,251.88 - Step 4: Simplify right side
76,838.29x = 2,795,209,603.99 - Step 5: Solve for x
x = 2,795,209,603.99/76,838.29 - Step 6: Final answer
x = 36,377.82
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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.