Finding the Fourth Proportional to 486,185.83, 670,947.19 and 268,394.00
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Solution
The fourth proportional to 486,185.83, 670,947.19 and 268,394.00 is: 370,389.65
Step by Step Solution
- Step 1: Write the proportion equation
486,185.83 : 670,947.19 = 268,394.00 : x - Step 2: Convert to fraction form
486,185.83/670,947.19 = 268,394.00/x - Step 3: Cross multiply
486,185.83x = 670,947.19 × 268,394.00 - Step 4: Simplify right side
486,185.83x = 180,078,196,087.14 - Step 5: Solve for x
x = 180,078,196,087.14/486,185.83 - Step 6: Final answer
x = 370,389.65
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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.