Finding the Fourth Proportional to 173,828.80, 260,743.20 and 61,635.70
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Solution
The fourth proportional to 173,828.80, 260,743.20 and 61,635.70 is: 92,453.55
Step by Step Solution
- Step 1: Write the proportion equation
173,828.80 : 260,743.20 = 61,635.70 : x - Step 2: Convert to fraction form
173,828.80/260,743.20 = 61,635.70/x - Step 3: Cross multiply
173,828.80x = 260,743.20 × 61,635.70 - Step 4: Simplify right side
173,828.80x = 16,071,089,652.24 - Step 5: Solve for x
x = 16,071,089,652.24/173,828.80 - Step 6: Final answer
x = 92,453.55
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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.