Finding the Fourth Proportional to 376,596.74, 519,707.58 and 206,830.84
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Solution
The fourth proportional to 376,596.74, 519,707.58 and 206,830.84 is: 285,428.80
Step by Step Solution
- Step 1: Write the proportion equation
376,596.74 : 519,707.58 = 206,830.84 : x - Step 2: Convert to fraction form
376,596.74/519,707.58 = 206,830.84/x - Step 3: Cross multiply
376,596.74x = 519,707.58 × 206,830.84 - Step 4: Simplify right side
376,596.74x = 107,491,555,325.77 - Step 5: Solve for x
x = 107,491,555,325.77/376,596.74 - Step 6: Final answer
x = 285,428.80
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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.