Finding the Fourth Proportional to 138,059.28, 207,077.99 and 49,303.53
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Solution
The fourth proportional to 138,059.28, 207,077.99 and 49,303.53 is: 73,951.39
Step by Step Solution
- Step 1: Write the proportion equation
138,059.28 : 207,077.99 = 49,303.53 : x - Step 2: Convert to fraction form
138,059.28/207,077.99 = 49,303.53/x - Step 3: Cross multiply
138,059.28x = 207,077.99 × 49,303.53 - Step 4: Simplify right side
138,059.28x = 10,209,675,645.79 - Step 5: Solve for x
x = 10,209,675,645.79/138,059.28 - Step 6: Final answer
x = 73,951.39
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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.