Finding the Fourth Proportional to 425,872.98, 638,809.47 and 110,329.92
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Solution
The fourth proportional to 425,872.98, 638,809.47 and 110,329.92 is: 165,494.88
Step by Step Solution
- Step 1: Write the proportion equation
425,872.98 : 638,809.47 = 110,329.92 : x - Step 2: Convert to fraction form
425,872.98/638,809.47 = 110,329.92/x - Step 3: Cross multiply
425,872.98x = 638,809.47 × 110,329.92 - Step 4: Simplify right side
425,872.98x = 70,479,797,720.34 - Step 5: Solve for x
x = 70,479,797,720.34/425,872.98 - Step 6: Final answer
x = 165,494.88
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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.