Finding the Fourth Proportional to 149,157.08, 205,836.78 and 82,089.08
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Solution
The fourth proportional to 149,157.08, 205,836.78 and 82,089.08 is: 113,282.94
Step by Step Solution
- Step 1: Write the proportion equation
149,157.08 : 205,836.78 = 82,089.08 : x - Step 2: Convert to fraction form
149,157.08/205,836.78 = 82,089.08/x - Step 3: Cross multiply
149,157.08x = 205,836.78 × 82,089.08 - Step 4: Simplify right side
149,157.08x = 16,896,951,900.36 - Step 5: Solve for x
x = 16,896,951,900.36/149,157.08 - Step 6: Final answer
x = 113,282.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.