Finding the Fourth Proportional to 366,918.68, 550,378.02 and 247,344.45
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Solution
The fourth proportional to 366,918.68, 550,378.02 and 247,344.45 is: 371,016.68
Step by Step Solution
- Step 1: Write the proportion equation
366,918.68 : 550,378.02 = 247,344.45 : x - Step 2: Convert to fraction form
366,918.68/550,378.02 = 247,344.45/x - Step 3: Cross multiply
366,918.68x = 550,378.02 × 247,344.45 - Step 4: Simplify right side
366,918.68x = 136,132,948,648.99 - Step 5: Solve for x
x = 136,132,948,648.99/366,918.68 - Step 6: Final answer
x = 371,016.68
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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.