Finding the Fourth Proportional to 138,378.92, 207,597.53 and 44,877.38
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Solution
The fourth proportional to 138,378.92, 207,597.53 and 44,877.38 is: 67,325.52
Step by Step Solution
- Step 1: Write the proportion equation
138,378.92 : 207,597.53 = 44,877.38 : x - Step 2: Convert to fraction form
138,378.92/207,597.53 = 44,877.38/x - Step 3: Cross multiply
138,378.92x = 207,597.53 × 44,877.38 - Step 4: Simplify right side
138,378.92x = 9,316,432,315.08 - Step 5: Solve for x
x = 9,316,432,315.08/138,378.92 - Step 6: Final answer
x = 67,325.52
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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.