Finding the Fourth Proportional to 502,561.20, 693,526.68 and 276,201.84
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Solution
The fourth proportional to 502,561.20, 693,526.68 and 276,201.84 is: 381,154.27
Step by Step Solution
- Step 1: Write the proportion equation
502,561.20 : 693,526.68 = 276,201.84 : x - Step 2: Convert to fraction form
502,561.20/693,526.68 = 276,201.84/x - Step 3: Cross multiply
502,561.20x = 693,526.68 × 276,201.84 - Step 4: Simplify right side
502,561.20x = 191,553,345,105.09 - Step 5: Solve for x
x = 191,553,345,105.09/502,561.20 - Step 6: Final answer
x = 381,154.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.