Finding the Fourth Proportional to 155,349.99, 232,523.79 and 80,366.88
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Solution
The fourth proportional to 155,349.99, 232,523.79 and 80,366.88 is: 120,291.04
Step by Step Solution
- Step 1: Write the proportion equation
155,349.99 : 232,523.79 = 80,366.88 : x - Step 2: Convert to fraction form
155,349.99/232,523.79 = 80,366.88/x - Step 3: Cross multiply
155,349.99x = 232,523.79 × 80,366.88 - Step 4: Simplify right side
155,349.99x = 18,687,211,528.08 - Step 5: Solve for x
x = 18,687,211,528.08/155,349.99 - Step 6: Final answer
x = 120,291.04
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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.