Finding the Fourth Proportional to 173,589.11, 260,381.77 and 131,726.28
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Solution
The fourth proportional to 173,589.11, 260,381.77 and 131,726.28 is: 197,587.99
Step by Step Solution
- Step 1: Write the proportion equation
173,589.11 : 260,381.77 = 131,726.28 : x - Step 2: Convert to fraction form
173,589.11/260,381.77 = 131,726.28/x - Step 3: Cross multiply
173,589.11x = 260,381.77 × 131,726.28 - Step 4: Simplify right side
173,589.11x = 34,299,121,612.60 - Step 5: Solve for x
x = 34,299,121,612.60/173,589.11 - Step 6: Final answer
x = 197,587.99
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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.