Finding the Fourth Proportional to 132,529.28, 198,837.12 and 62,415.68
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Solution
The fourth proportional to 132,529.28, 198,837.12 and 62,415.68 is: 93,643.87
Step by Step Solution
- Step 1: Write the proportion equation
132,529.28 : 198,837.12 = 62,415.68 : x - Step 2: Convert to fraction form
132,529.28/198,837.12 = 62,415.68/x - Step 3: Cross multiply
132,529.28x = 198,837.12 × 62,415.68 - Step 4: Simplify right side
132,529.28x = 12,410,554,054.04 - Step 5: Solve for x
x = 12,410,554,054.04/132,529.28 - Step 6: Final answer
x = 93,643.87
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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.