Finding the Fourth Proportional to 170,466.42, 255,658.62 and 52,138.80
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Solution
The fourth proportional to 170,466.42, 255,658.62 and 52,138.80 is: 78,195.66
Step by Step Solution
- Step 1: Write the proportion equation
170,466.42 : 255,658.62 = 52,138.80 : x - Step 2: Convert to fraction form
170,466.42/255,658.62 = 52,138.80/x - Step 3: Cross multiply
170,466.42x = 255,658.62 × 52,138.80 - Step 4: Simplify right side
170,466.42x = 13,329,733,656.46 - Step 5: Solve for x
x = 13,329,733,656.46/170,466.42 - Step 6: Final answer
x = 78,195.66
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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.