Finding the Fourth Proportional to 271,752.96, 407,655.36 and 105,553.92
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Solution
The fourth proportional to 271,752.96, 407,655.36 and 105,553.92 is: 158,340.95
Step by Step Solution
- Step 1: Write the proportion equation
271,752.96 : 407,655.36 = 105,553.92 : x - Step 2: Convert to fraction form
271,752.96/407,655.36 = 105,553.92/x - Step 3: Cross multiply
271,752.96x = 407,655.36 × 105,553.92 - Step 4: Simplify right side
271,752.96x = 43,029,621,257.01 - Step 5: Solve for x
x = 43,029,621,257.01/271,752.96 - Step 6: Final answer
x = 158,340.95
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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.