Finding the Fourth Proportional to 138,409.56, 207,643.52 and 44,908.08
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Solution
The fourth proportional to 138,409.56, 207,643.52 and 44,908.08 is: 67,371.59
Step by Step Solution
- Step 1: Write the proportion equation
138,409.56 : 207,643.52 = 44,908.08 : x - Step 2: Convert to fraction form
138,409.56/207,643.52 = 44,908.08/x - Step 3: Cross multiply
138,409.56x = 207,643.52 × 44,908.08 - Step 4: Simplify right side
138,409.56x = 9,324,871,807.64 - Step 5: Solve for x
x = 9,324,871,807.64/138,409.56 - Step 6: Final answer
x = 67,371.59
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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.