Finding the Fourth Proportional to 203,703.80, 305,555.70 and 151,215.80
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Solution
The fourth proportional to 203,703.80, 305,555.70 and 151,215.80 is: 226,823.70
Step by Step Solution
- Step 1: Write the proportion equation
203,703.80 : 305,555.70 = 151,215.80 : x - Step 2: Convert to fraction form
203,703.80/305,555.70 = 151,215.80/x - Step 3: Cross multiply
203,703.80x = 305,555.70 × 151,215.80 - Step 4: Simplify right side
203,703.80x = 46,204,849,620.06 - Step 5: Solve for x
x = 46,204,849,620.06/203,703.80 - Step 6: Final answer
x = 226,823.70
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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.