Finding the Fourth Proportional to 168,021.70, 252,032.55 and 164,133.70
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Solution
The fourth proportional to 168,021.70, 252,032.55 and 164,133.70 is: 246,200.55
Step by Step Solution
- Step 1: Write the proportion equation
168,021.70 : 252,032.55 = 164,133.70 : x - Step 2: Convert to fraction form
168,021.70/252,032.55 = 164,133.70/x - Step 3: Cross multiply
168,021.70x = 252,032.55 × 164,133.70 - Step 4: Simplify right side
168,021.70x = 41,367,034,951.94 - Step 5: Solve for x
x = 41,367,034,951.94/168,021.70 - Step 6: Final answer
x = 246,200.55
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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.