Finding the Fourth Proportional to 289,536.74, 434,236.47 and 163,232.90
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Solution
The fourth proportional to 289,536.74, 434,236.47 and 163,232.90 is: 244,810.65
Step by Step Solution
- Step 1: Write the proportion equation
289,536.74 : 434,236.47 = 163,232.90 : x - Step 2: Convert to fraction form
289,536.74/434,236.47 = 163,232.90/x - Step 3: Cross multiply
289,536.74x = 434,236.47 × 163,232.90 - Step 4: Simplify right side
289,536.74x = 70,881,678,283.86 - Step 5: Solve for x
x = 70,881,678,283.86/289,536.74 - Step 6: Final answer
x = 244,810.65
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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.