Finding the Fourth Proportional to 135,523.65, 203,471.68 and 69,008.48
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Solution
The fourth proportional to 135,523.65, 203,471.68 and 69,008.48 is: 103,607.54
Step by Step Solution
- Step 1: Write the proportion equation
135,523.65 : 203,471.68 = 69,008.48 : x - Step 2: Convert to fraction form
135,523.65/203,471.68 = 69,008.48/x - Step 3: Cross multiply
135,523.65x = 203,471.68 × 69,008.48 - Step 4: Simplify right side
135,523.65x = 14,041,271,359.85 - Step 5: Solve for x
x = 14,041,271,359.85/135,523.65 - Step 6: Final answer
x = 103,607.54
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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.