Finding the Fourth Proportional to 502,989.74, 694,131.63 and 276,639.02
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Solution
The fourth proportional to 502,989.74, 694,131.63 and 276,639.02 is: 381,765.03
Step by Step Solution
- Step 1: Write the proportion equation
502,989.74 : 694,131.63 = 276,639.02 : x - Step 2: Convert to fraction form
502,989.74/694,131.63 = 276,639.02/x - Step 3: Cross multiply
502,989.74x = 694,131.63 × 276,639.02 - Step 4: Simplify right side
502,989.74x = 192,023,893,874.20 - Step 5: Solve for x
x = 192,023,893,874.20/502,989.74 - Step 6: Final answer
x = 381,765.03
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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.