Finding the Fourth Proportional to 305,540.33, 458,257.64 and 80,903.99
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Solution
The fourth proportional to 305,540.33, 458,257.64 and 80,903.99 is: 121,341.99
Step by Step Solution
- Step 1: Write the proportion equation
305,540.33 : 458,257.64 = 80,903.99 : x - Step 2: Convert to fraction form
305,540.33/458,257.64 = 80,903.99/x - Step 3: Cross multiply
305,540.33x = 458,257.64 × 80,903.99 - Step 4: Simplify right side
305,540.33x = 37,074,871,317.57 - Step 5: Solve for x
x = 37,074,871,317.57/305,540.33 - Step 6: Final answer
x = 121,341.99
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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.