Finding the Fourth Proportional to 252,029.80, 378,044.70 and 133,931.80
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Solution
The fourth proportional to 252,029.80, 378,044.70 and 133,931.80 is: 200,897.70
Step by Step Solution
- Step 1: Write the proportion equation
252,029.80 : 378,044.70 = 133,931.80 : x - Step 2: Convert to fraction form
252,029.80/378,044.70 = 133,931.80/x - Step 3: Cross multiply
252,029.80x = 378,044.70 × 133,931.80 - Step 4: Simplify right side
252,029.80x = 50,632,207,151.46 - Step 5: Solve for x
x = 50,632,207,151.46/252,029.80 - Step 6: Final answer
x = 200,897.70
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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.