Finding the Fourth Proportional to 134,883.12, 202,554.32 and 129,240.66
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Solution
The fourth proportional to 134,883.12, 202,554.32 and 129,240.66 is: 194,081.02
Step by Step Solution
- Step 1: Write the proportion equation
134,883.12 : 202,554.32 = 129,240.66 : x - Step 2: Convert to fraction form
134,883.12/202,554.32 = 129,240.66/x - Step 3: Cross multiply
134,883.12x = 202,554.32 × 129,240.66 - Step 4: Simplify right side
134,883.12x = 26,178,253,356.45 - Step 5: Solve for x
x = 26,178,253,356.45/134,883.12 - Step 6: Final answer
x = 194,081.02
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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.