Finding the Fourth Proportional to 247,991.50, 342,230.70 and 134,816.68
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Solution
The fourth proportional to 247,991.50, 342,230.70 and 134,816.68 is: 186,048.34
Step by Step Solution
- Step 1: Write the proportion equation
247,991.50 : 342,230.70 = 134,816.68 : x - Step 2: Convert to fraction form
247,991.50/342,230.70 = 134,816.68/x - Step 3: Cross multiply
247,991.50x = 342,230.70 × 134,816.68 - Step 4: Simplify right side
247,991.50x = 46,138,406,768.08 - Step 5: Solve for x
x = 46,138,406,768.08/247,991.50 - Step 6: Final answer
x = 186,048.34
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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.