Finding the Fourth Proportional to 255,536.20, 383,450.10 and 97,877.80
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Solution
The fourth proportional to 255,536.20, 383,450.10 and 97,877.80 is: 146,872.55
Step by Step Solution
- Step 1: Write the proportion equation
255,536.20 : 383,450.10 = 97,877.80 : x - Step 2: Convert to fraction form
255,536.20/383,450.10 = 97,877.80/x - Step 3: Cross multiply
255,536.20x = 383,450.10 × 97,877.80 - Step 4: Simplify right side
255,536.20x = 37,531,252,197.78 - Step 5: Solve for x
x = 37,531,252,197.78/255,536.20 - Step 6: Final answer
x = 146,872.55
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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.