Finding the Fourth Proportional to 115,418.81, 173,137.95 and 32,312.81
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Solution
The fourth proportional to 115,418.81, 173,137.95 and 32,312.81 is: 48,471.94
Step by Step Solution
- Step 1: Write the proportion equation
115,418.81 : 173,137.95 = 32,312.81 : x - Step 2: Convert to fraction form
115,418.81/173,137.95 = 32,312.81/x - Step 3: Cross multiply
115,418.81x = 173,137.95 × 32,312.81 - Step 4: Simplify right side
115,418.81x = 5,594,574,114.98 - Step 5: Solve for x
x = 5,594,574,114.98/115,418.81 - Step 6: Final answer
x = 48,471.94
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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.