Finding the Fourth Proportional to 201,747.10, 302,839.35 and 126,951.70
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Solution
The fourth proportional to 201,747.10, 302,839.35 and 126,951.70 is: 190,565.17
Step by Step Solution
- Step 1: Write the proportion equation
201,747.10 : 302,839.35 = 126,951.70 : x - Step 2: Convert to fraction form
201,747.10/302,839.35 = 126,951.70/x - Step 3: Cross multiply
201,747.10x = 302,839.35 × 126,951.70 - Step 4: Simplify right side
201,747.10x = 38,445,970,309.40 - Step 5: Solve for x
x = 38,445,970,309.40/201,747.10 - Step 6: Final answer
x = 190,565.17
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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.