Finding the Fourth Proportional to 247,063.99, 340,939.15 and 133,884.31
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Solution
The fourth proportional to 247,063.99, 340,939.15 and 133,884.31 is: 184,755.39
Step by Step Solution
- Step 1: Write the proportion equation
247,063.99 : 340,939.15 = 133,884.31 : x - Step 2: Convert to fraction form
247,063.99/340,939.15 = 133,884.31/x - Step 3: Cross multiply
247,063.99x = 340,939.15 × 133,884.31 - Step 4: Simplify right side
247,063.99x = 45,646,402,849.74 - Step 5: Solve for x
x = 45,646,402,849.74/247,063.99 - Step 6: Final answer
x = 184,755.39
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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.