Finding the Fourth Proportional to 149,268.99, 205,981.88 and 82,200.99
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Solution
The fourth proportional to 149,268.99, 205,981.88 and 82,200.99 is: 113,432.23
Step by Step Solution
- Step 1: Write the proportion equation
149,268.99 : 205,981.88 = 82,200.99 : x - Step 2: Convert to fraction form
149,268.99/205,981.88 = 82,200.99/x - Step 3: Cross multiply
149,268.99x = 205,981.88 × 82,200.99 - Step 4: Simplify right side
149,268.99x = 16,931,914,047.06 - Step 5: Solve for x
x = 16,931,914,047.06/149,268.99 - Step 6: Final answer
x = 113,432.23
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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.