Finding the Fourth Proportional to 247,998.88, 372,046.20 and 105,842.08
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Solution
The fourth proportional to 247,998.88, 372,046.20 and 105,842.08 is: 158,783.55
Step by Step Solution
- Step 1: Write the proportion equation
247,998.88 : 372,046.20 = 105,842.08 : x - Step 2: Convert to fraction form
247,998.88/372,046.20 = 105,842.08/x - Step 3: Cross multiply
247,998.88x = 372,046.20 × 105,842.08 - Step 4: Simplify right side
247,998.88x = 39,378,143,664.10 - Step 5: Solve for x
x = 39,378,143,664.10/247,998.88 - Step 6: Final answer
x = 158,783.55
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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.