Finding the Fourth Proportional to 115,612.13, 173,418.26 and 32,506.13
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Solution
The fourth proportional to 115,612.13, 173,418.26 and 32,506.13 is: 48,759.21
Step by Step Solution
- Step 1: Write the proportion equation
115,612.13 : 173,418.26 = 32,506.13 : x - Step 2: Convert to fraction form
115,612.13/173,418.26 = 32,506.13/x - Step 3: Cross multiply
115,612.13x = 173,418.26 × 32,506.13 - Step 4: Simplify right side
115,612.13x = 5,637,155,474.31 - Step 5: Solve for x
x = 5,637,155,474.31/115,612.13 - Step 6: Final answer
x = 48,759.21
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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.