Finding the Fourth Proportional to 138,353.04, 207,558.72 and 44,851.50
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Solution
The fourth proportional to 138,353.04, 207,558.72 and 44,851.50 is: 67,286.70
Step by Step Solution
- Step 1: Write the proportion equation
138,353.04 : 207,558.72 = 44,851.50 : x - Step 2: Convert to fraction form
138,353.04/207,558.72 = 44,851.50/x - Step 3: Cross multiply
138,353.04x = 207,558.72 × 44,851.50 - Step 4: Simplify right side
138,353.04x = 9,309,319,930.08 - Step 5: Solve for x
x = 9,309,319,930.08/138,353.04 - Step 6: Final answer
x = 67,286.70
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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.