Finding the Fourth Proportional to 173,888.20, 260,832.30 and 162,137.80
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Solution
The fourth proportional to 173,888.20, 260,832.30 and 162,137.80 is: 243,206.70
Step by Step Solution
- Step 1: Write the proportion equation
173,888.20 : 260,832.30 = 162,137.80 : x - Step 2: Convert to fraction form
173,888.20/260,832.30 = 162,137.80/x - Step 3: Cross multiply
173,888.20x = 260,832.30 × 162,137.80 - Step 4: Simplify right side
173,888.20x = 42,290,775,290.94 - Step 5: Solve for x
x = 42,290,775,290.94/173,888.20 - Step 6: Final answer
x = 243,206.70
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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.