Finding the Fourth Proportional to 199,221.99, 274,918.34 and 108,576.02
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Solution
The fourth proportional to 199,221.99, 274,918.34 and 108,576.02 is: 149,830.54
Step by Step Solution
- Step 1: Write the proportion equation
199,221.99 : 274,918.34 = 108,576.02 : x - Step 2: Convert to fraction form
199,221.99/274,918.34 = 108,576.02/x - Step 3: Cross multiply
199,221.99x = 274,918.34 × 108,576.02 - Step 4: Simplify right side
199,221.99x = 29,849,539,215.05 - Step 5: Solve for x
x = 29,849,539,215.05/199,221.99 - Step 6: Final answer
x = 149,830.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.