Finding the Fourth Proportional to 212,729.68, 318,793.68 and 118,001.56
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Solution
The fourth proportional to 212,729.68, 318,793.68 and 118,001.56 is: 176,835.46
Step by Step Solution
- Step 1: Write the proportion equation
212,729.68 : 318,793.68 = 118,001.56 : x - Step 2: Convert to fraction form
212,729.68/318,793.68 = 118,001.56/x - Step 3: Cross multiply
212,729.68x = 318,793.68 × 118,001.56 - Step 4: Simplify right side
212,729.68x = 37,618,151,558.14 - Step 5: Solve for x
x = 37,618,151,558.14/212,729.68 - Step 6: Final answer
x = 176,835.46
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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.