Finding the Fourth Proportional to 376,821.65, 519,806.26 and 238,747.97
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Solution
The fourth proportional to 376,821.65, 519,806.26 and 238,747.97 is: 329,340.66
Step by Step Solution
- Step 1: Write the proportion equation
376,821.65 : 519,806.26 = 238,747.97 : x - Step 2: Convert to fraction form
376,821.65/519,806.26 = 238,747.97/x - Step 3: Cross multiply
376,821.65x = 519,806.26 × 238,747.97 - Step 4: Simplify right side
376,821.65x = 124,102,690,966.24 - Step 5: Solve for x
x = 124,102,690,966.24/376,821.65 - Step 6: Final answer
x = 329,340.66
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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.