Finding the Fourth Proportional to 338,481.68, 507,799.14 and 113,835.95
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Solution
The fourth proportional to 338,481.68, 507,799.14 and 113,835.95 is: 170,779.69
Step by Step Solution
- Step 1: Write the proportion equation
338,481.68 : 507,799.14 = 113,835.95 : x - Step 2: Convert to fraction form
338,481.68/507,799.14 = 113,835.95/x - Step 3: Cross multiply
338,481.68x = 507,799.14 × 113,835.95 - Step 4: Simplify right side
338,481.68x = 57,805,797,511.08 - Step 5: Solve for x
x = 57,805,797,511.08/338,481.68 - Step 6: Final answer
x = 170,779.69
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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.