Finding the Fourth Proportional to 212,001.80, 318,002.70 and 149,793.80
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Solution
The fourth proportional to 212,001.80, 318,002.70 and 149,793.80 is: 224,690.70
Step by Step Solution
- Step 1: Write the proportion equation
212,001.80 : 318,002.70 = 149,793.80 : x - Step 2: Convert to fraction form
212,001.80/318,002.70 = 149,793.80/x - Step 3: Cross multiply
212,001.80x = 318,002.70 × 149,793.80 - Step 4: Simplify right side
212,001.80x = 47,634,832,843.26 - Step 5: Solve for x
x = 47,634,832,843.26/212,001.80 - Step 6: Final answer
x = 224,690.70
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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.