Finding the Fourth Proportional to 486,465.16, 729,201.66 and 275,657.80
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Solution
The fourth proportional to 486,465.16, 729,201.66 and 275,657.80 is: 413,205.59
Step by Step Solution
- Step 1: Write the proportion equation
486,465.16 : 729,201.66 = 275,657.80 : x - Step 2: Convert to fraction form
486,465.16/729,201.66 = 275,657.80/x - Step 3: Cross multiply
486,465.16x = 729,201.66 × 275,657.80 - Step 4: Simplify right side
486,465.16x = 201,010,125,351.95 - Step 5: Solve for x
x = 201,010,125,351.95/486,465.16 - Step 6: Final answer
x = 413,205.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.