Finding the Fourth Proportional to 289,628.24, 434,502.84 and 89,943.44
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Solution
The fourth proportional to 289,628.24, 434,502.84 and 89,943.44 is: 134,933.94
Step by Step Solution
- Step 1: Write the proportion equation
289,628.24 : 434,502.84 = 89,943.44 : x - Step 2: Convert to fraction form
289,628.24/434,502.84 = 89,943.44/x - Step 3: Cross multiply
289,628.24x = 434,502.84 × 89,943.44 - Step 4: Simplify right side
289,628.24x = 39,080,680,119.37 - Step 5: Solve for x
x = 39,080,680,119.37/289,628.24 - Step 6: Final answer
x = 134,933.94
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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.