Finding the Fourth Proportional to 114,612.75, 171,988.25 and 48,948.75
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Solution
The fourth proportional to 114,612.75, 171,988.25 and 48,948.75 is: 73,452.64
Step by Step Solution
- Step 1: Write the proportion equation
114,612.75 : 171,988.25 = 48,948.75 : x - Step 2: Convert to fraction form
114,612.75/171,988.25 = 48,948.75/x - Step 3: Cross multiply
114,612.75x = 171,988.25 × 48,948.75 - Step 4: Simplify right side
114,612.75x = 8,418,609,607.44 - Step 5: Solve for x
x = 8,418,609,607.44/114,612.75 - Step 6: Final answer
x = 73,452.64
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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.