Finding the Fourth Proportional to 202,306.90, 303,132.30 and 127,292.80
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Solution
The fourth proportional to 202,306.90, 303,132.30 and 127,292.80 is: 190,732.79
Step by Step Solution
- Step 1: Write the proportion equation
202,306.90 : 303,132.30 = 127,292.80 : x - Step 2: Convert to fraction form
202,306.90/303,132.30 = 127,292.80/x - Step 3: Cross multiply
202,306.90x = 303,132.30 × 127,292.80 - Step 4: Simplify right side
202,306.90x = 38,586,559,237.44 - Step 5: Solve for x
x = 38,586,559,237.44/202,306.90 - Step 6: Final answer
x = 190,732.79
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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.