Finding the Fourth Proportional to 135,341.18, 203,039.79 and 40,567.54
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Solution
The fourth proportional to 135,341.18, 203,039.79 and 40,567.54 is: 60,859.70
Step by Step Solution
- Step 1: Write the proportion equation
135,341.18 : 203,039.79 = 40,567.54 : x - Step 2: Convert to fraction form
135,341.18/203,039.79 = 40,567.54/x - Step 3: Cross multiply
135,341.18x = 203,039.79 × 40,567.54 - Step 4: Simplify right side
135,341.18x = 8,236,824,294.82 - Step 5: Solve for x
x = 8,236,824,294.82/135,341.18 - Step 6: Final answer
x = 60,859.70
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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.