Finding the Fourth Proportional to 134,883.20, 202,555.20 and 88,342.40
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Solution
The fourth proportional to 134,883.20, 202,555.20 and 88,342.40 is: 132,664.50
Step by Step Solution
- Step 1: Write the proportion equation
134,883.20 : 202,555.20 = 88,342.40 : x - Step 2: Convert to fraction form
134,883.20/202,555.20 = 88,342.40/x - Step 3: Cross multiply
134,883.20x = 202,555.20 × 88,342.40 - Step 4: Simplify right side
134,883.20x = 17,894,212,500.48 - Step 5: Solve for x
x = 17,894,212,500.48/134,883.20 - Step 6: Final answer
x = 132,664.50
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1.5x scale
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.