Finding the Fourth Proportional to 359,270.80, 539,489.40 and 201,806.80
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Solution
The fourth proportional to 359,270.80, 539,489.40 and 201,806.80 is: 303,037.79
Step by Step Solution
- Step 1: Write the proportion equation
359,270.80 : 539,489.40 = 201,806.80 : x - Step 2: Convert to fraction form
359,270.80/539,489.40 = 201,806.80/x - Step 3: Cross multiply
359,270.80x = 539,489.40 × 201,806.80 - Step 4: Simplify right side
359,270.80x = 108,872,629,447.92 - Step 5: Solve for x
x = 108,872,629,447.92/359,270.80 - Step 6: Final answer
x = 303,037.79
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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.