Finding the Fourth Proportional to 491,335.83, 677,988.50 and 276,549.75
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Solution
The fourth proportional to 491,335.83, 677,988.50 and 276,549.75 is: 381,607.73
Step by Step Solution
- Step 1: Write the proportion equation
491,335.83 : 677,988.50 = 276,549.75 : x - Step 2: Convert to fraction form
491,335.83/677,988.50 = 276,549.75/x - Step 3: Cross multiply
491,335.83x = 677,988.50 × 276,549.75 - Step 4: Simplify right side
491,335.83x = 187,497,548,795.13 - Step 5: Solve for x
x = 187,497,548,795.13/491,335.83 - Step 6: Final answer
x = 381,607.73
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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.