Finding the Fourth Proportional to 389,523.48, 584,527.14 and 249,382.68
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Solution
The fourth proportional to 389,523.48, 584,527.14 and 249,382.68 is: 374,228.90
Step by Step Solution
- Step 1: Write the proportion equation
389,523.48 : 584,527.14 = 249,382.68 : x - Step 2: Convert to fraction form
389,523.48/584,527.14 = 249,382.68/x - Step 3: Cross multiply
389,523.48x = 584,527.14 × 249,382.68 - Step 4: Simplify right side
389,523.48x = 145,770,944,705.94 - Step 5: Solve for x
x = 145,770,944,705.94/389,523.48 - Step 6: Final answer
x = 374,228.90
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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.