Finding the Fourth Proportional to 324,419.81, 486,804.00 and 135,010.76
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Solution
The fourth proportional to 324,419.81, 486,804.00 and 135,010.76 is: 202,588.67
Step by Step Solution
- Step 1: Write the proportion equation
324,419.81 : 486,804.00 = 135,010.76 : x - Step 2: Convert to fraction form
324,419.81/486,804.00 = 135,010.76/x - Step 3: Cross multiply
324,419.81x = 486,804.00 × 135,010.76 - Step 4: Simplify right side
324,419.81x = 65,723,776,503.15 - Step 5: Solve for x
x = 65,723,776,503.15/324,419.81 - Step 6: Final answer
x = 202,588.67
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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.