Finding the Fourth Proportional to 149,526.58, 206,344.08 and 81,544.08
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Solution
The fourth proportional to 149,526.58, 206,344.08 and 81,544.08 is: 112,529.41
Step by Step Solution
- Step 1: Write the proportion equation
149,526.58 : 206,344.08 = 81,544.08 : x - Step 2: Convert to fraction form
149,526.58/206,344.08 = 81,544.08/x - Step 3: Cross multiply
149,526.58x = 206,344.08 × 81,544.08 - Step 4: Simplify right side
149,526.58x = 16,826,138,167.05 - Step 5: Solve for x
x = 16,826,138,167.05/149,526.58 - Step 6: Final answer
x = 112,529.41
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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.