Finding the Fourth Proportional to 153,648.28, 230,272.62 and 78,704.92
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Solution
The fourth proportional to 153,648.28, 230,272.62 and 78,704.92 is: 117,955.03
Step by Step Solution
- Step 1: Write the proportion equation
153,648.28 : 230,272.62 = 78,704.92 : x - Step 2: Convert to fraction form
153,648.28/230,272.62 = 78,704.92/x - Step 3: Cross multiply
153,648.28x = 230,272.62 × 78,704.92 - Step 4: Simplify right side
153,648.28x = 18,123,588,135.29 - Step 5: Solve for x
x = 18,123,588,135.29/153,648.28 - Step 6: Final answer
x = 117,955.03
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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.