Finding the Fourth Proportional to 465,122.88, 642,750.66 and 396,202.68
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Solution
The fourth proportional to 465,122.88, 642,750.66 and 396,202.68 is: 547,510.23
Step by Step Solution
- Step 1: Write the proportion equation
465,122.88 : 642,750.66 = 396,202.68 : x - Step 2: Convert to fraction form
465,122.88/642,750.66 = 396,202.68/x - Step 3: Cross multiply
465,122.88x = 642,750.66 × 396,202.68 - Step 4: Simplify right side
465,122.88x = 254,659,534,063.77 - Step 5: Solve for x
x = 254,659,534,063.77/465,122.88 - Step 6: Final answer
x = 547,510.23
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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.