Finding the Fourth Proportional to 486,078.35, 670,601.03 and 304,474.12
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Solution
The fourth proportional to 486,078.35, 670,601.03 and 304,474.12 is: 420,057.09
Step by Step Solution
- Step 1: Write the proportion equation
486,078.35 : 670,601.03 = 304,474.12 : x - Step 2: Convert to fraction form
486,078.35/670,601.03 = 304,474.12/x - Step 3: Cross multiply
486,078.35x = 670,601.03 × 304,474.12 - Step 4: Simplify right side
486,078.35x = 204,180,655,281.47 - Step 5: Solve for x
x = 204,180,655,281.47/486,078.35 - Step 6: Final answer
x = 420,057.09
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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.