Finding the Fourth Proportional to 138,244.05, 207,364.68 and 63,342.95
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Solution
The fourth proportional to 138,244.05, 207,364.68 and 63,342.95 is: 95,013.78
Step by Step Solution
- Step 1: Write the proportion equation
138,244.05 : 207,364.68 = 63,342.95 : x - Step 2: Convert to fraction form
138,244.05/207,364.68 = 63,342.95/x - Step 3: Cross multiply
138,244.05x = 207,364.68 × 63,342.95 - Step 4: Simplify right side
138,244.05x = 13,135,089,520.18 - Step 5: Solve for x
x = 13,135,089,520.18/138,244.05 - Step 6: Final answer
x = 95,013.78
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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.