Finding the Fourth Proportional to 268,579.15, 370,645.75 and 147,723.48
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Solution
The fourth proportional to 268,579.15, 370,645.75 and 147,723.48 is: 203,861.99
Step by Step Solution
- Step 1: Write the proportion equation
268,579.15 : 370,645.75 = 147,723.48 : x - Step 2: Convert to fraction form
268,579.15/370,645.75 = 147,723.48/x - Step 3: Cross multiply
268,579.15x = 370,645.75 × 147,723.48 - Step 4: Simplify right side
268,579.15x = 54,753,079,959.37 - Step 5: Solve for x
x = 54,753,079,959.37/268,579.15 - Step 6: Final answer
x = 203,861.99
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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.