Finding the Fourth Proportional to 173,445.20, 260,167.80 and 55,125.80
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Solution
The fourth proportional to 173,445.20, 260,167.80 and 55,125.80 is: 82,688.70
Step by Step Solution
- Step 1: Write the proportion equation
173,445.20 : 260,167.80 = 55,125.80 : x - Step 2: Convert to fraction form
173,445.20/260,167.80 = 55,125.80/x - Step 3: Cross multiply
173,445.20x = 260,167.80 × 55,125.80 - Step 4: Simplify right side
173,445.20x = 14,341,958,109.24 - Step 5: Solve for x
x = 14,341,958,109.24/173,445.20 - Step 6: Final answer
x = 82,688.70
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1.5x scale
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.