Finding the Fourth Proportional to 366,195.96, 548,637.84 and 129,387.60
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Solution
The fourth proportional to 366,195.96, 548,637.84 and 129,387.60 is: 193,849.58
Step by Step Solution
- Step 1: Write the proportion equation
366,195.96 : 548,637.84 = 129,387.60 : x - Step 2: Convert to fraction form
366,195.96/548,637.84 = 129,387.60/x - Step 3: Cross multiply
366,195.96x = 548,637.84 × 129,387.60 - Step 4: Simplify right side
366,195.96x = 70,986,933,386.78 - Step 5: Solve for x
x = 70,986,933,386.78/366,195.96 - Step 6: Final answer
x = 193,849.58
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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.