Finding the Fourth Proportional to 453,944.32, 679,257.60 and 267,043.84
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Solution
The fourth proportional to 453,944.32, 679,257.60 and 267,043.84 is: 399,589.88
Step by Step Solution
- Step 1: Write the proportion equation
453,944.32 : 679,257.60 = 267,043.84 : x - Step 2: Convert to fraction form
453,944.32/679,257.60 = 267,043.84/x - Step 3: Cross multiply
453,944.32x = 679,257.60 × 267,043.84 - Step 4: Simplify right side
453,944.32x = 181,391,557,853.18 - Step 5: Solve for x
x = 181,391,557,853.18/453,944.32 - Step 6: Final answer
x = 399,589.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.