Finding the Fourth Proportional to 230,939.80, 346,409.70 and 192,059.80
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Solution
The fourth proportional to 230,939.80, 346,409.70 and 192,059.80 is: 288,089.70
Step by Step Solution
- Step 1: Write the proportion equation
230,939.80 : 346,409.70 = 192,059.80 : x - Step 2: Convert to fraction form
230,939.80/346,409.70 = 192,059.80/x - Step 3: Cross multiply
230,939.80x = 346,409.70 × 192,059.80 - Step 4: Simplify right side
230,939.80x = 66,531,377,700.06 - Step 5: Solve for x
x = 66,531,377,700.06/230,939.80 - Step 6: Final answer
x = 288,089.70
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1.5x scale
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.