Finding the Fourth Proportional to 338,357.34, 507,536.04 and 113,717.79
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Solution
The fourth proportional to 338,357.34, 507,536.04 and 113,717.79 is: 170,576.70
Step by Step Solution
- Step 1: Write the proportion equation
338,357.34 : 507,536.04 = 113,717.79 : x - Step 2: Convert to fraction form
338,357.34/507,536.04 = 113,717.79/x - Step 3: Cross multiply
338,357.34x = 507,536.04 × 113,717.79 - Step 4: Simplify right side
338,357.34x = 57,715,876,814.15 - Step 5: Solve for x
x = 57,715,876,814.15/338,357.34 - Step 6: Final answer
x = 170,576.70
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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.