Finding the Fourth Proportional to 173,855.60, 260,718.60 and 121,108.40
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Solution
The fourth proportional to 173,855.60, 260,718.60 and 121,108.40 is: 181,617.46
Step by Step Solution
- Step 1: Write the proportion equation
173,855.60 : 260,718.60 = 121,108.40 : x - Step 2: Convert to fraction form
173,855.60/260,718.60 = 121,108.40/x - Step 3: Cross multiply
173,855.60x = 260,718.60 × 121,108.40 - Step 4: Simplify right side
173,855.60x = 31,575,212,496.24 - Step 5: Solve for x
x = 31,575,212,496.24/173,855.60 - Step 6: Final answer
x = 181,617.46
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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.