Finding the Fourth Proportional to 115,490.19, 173,240.16 and 36,602.67
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Solution
The fourth proportional to 115,490.19, 173,240.16 and 36,602.67 is: 54,905.55
Step by Step Solution
- Step 1: Write the proportion equation
115,490.19 : 173,240.16 = 36,602.67 : x - Step 2: Convert to fraction form
115,490.19/173,240.16 = 36,602.67/x - Step 3: Cross multiply
115,490.19x = 173,240.16 × 36,602.67 - Step 4: Simplify right side
115,490.19x = 6,341,052,407.23 - Step 5: Solve for x
x = 6,341,052,407.23/115,490.19 - Step 6: Final answer
x = 54,905.55
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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.