Finding the Fourth Proportional to 115,490.20, 173,240.16 and 36,602.68
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Solution
The fourth proportional to 115,490.20, 173,240.16 and 36,602.68 is: 54,905.56
Step by Step Solution
- Step 1: Write the proportion equation
115,490.20 : 173,240.16 = 36,602.68 : x - Step 2: Convert to fraction form
115,490.20/173,240.16 = 36,602.68/x - Step 3: Cross multiply
115,490.20x = 173,240.16 × 36,602.68 - Step 4: Simplify right side
115,490.20x = 6,341,054,139.63 - Step 5: Solve for x
x = 6,341,054,139.63/115,490.20 - Step 6: Final answer
x = 54,905.56
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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.