Finding the Fourth Proportional to 763,203.80, 1,144,805.70 and 202,238.30
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Solution
The fourth proportional to 763,203.80, 1,144,805.70 and 202,238.30 is: 303,357.45
Step by Step Solution
- Step 1: Write the proportion equation
763,203.80 : 1,144,805.70 = 202,238.30 : x - Step 2: Convert to fraction form
763,203.80/1,144,805.70 = 202,238.30/x - Step 3: Cross multiply
763,203.80x = 1,144,805.70 × 202,238.30 - Step 4: Simplify right side
763,203.80x = 231,523,558,598.31 - Step 5: Solve for x
x = 231,523,558,598.31/763,203.80 - Step 6: Final answer
x = 303,357.45
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Similar ratio
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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.