Finding the Fourth Proportional to 135,212.76, 202,824.20 and 40,444.18
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Solution
The fourth proportional to 135,212.76, 202,824.20 and 40,444.18 is: 60,667.78
Step by Step Solution
- Step 1: Write the proportion equation
135,212.76 : 202,824.20 = 40,444.18 : x - Step 2: Convert to fraction form
135,212.76/202,824.20 = 40,444.18/x - Step 3: Cross multiply
135,212.76x = 202,824.20 × 40,444.18 - Step 4: Simplify right side
135,212.76x = 8,203,058,047.21 - Step 5: Solve for x
x = 8,203,058,047.21/135,212.76 - Step 6: Final answer
x = 60,667.78
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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.