Finding the Fourth Proportional to 200,747.70, 300,919.05 and 74,306.70
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Solution
The fourth proportional to 200,747.70, 300,919.05 and 74,306.70 is: 111,385.09
Step by Step Solution
- Step 1: Write the proportion equation
200,747.70 : 300,919.05 = 74,306.70 : x - Step 2: Convert to fraction form
200,747.70/300,919.05 = 74,306.70/x - Step 3: Cross multiply
200,747.70x = 300,919.05 × 74,306.70 - Step 4: Simplify right side
200,747.70x = 22,360,301,572.64 - Step 5: Solve for x
x = 22,360,301,572.64/200,747.70 - Step 6: Final answer
x = 111,385.09
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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.