Finding the Fourth Proportional to 426,319.98, 638,924.62 and 173,304.92
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Solution
The fourth proportional to 426,319.98, 638,924.62 and 173,304.92 is: 259,731.62
Step by Step Solution
- Step 1: Write the proportion equation
426,319.98 : 638,924.62 = 173,304.92 : x - Step 2: Convert to fraction form
426,319.98/638,924.62 = 173,304.92/x - Step 3: Cross multiply
426,319.98x = 638,924.62 × 173,304.92 - Step 4: Simplify right side
426,319.98x = 110,728,780,155.13 - Step 5: Solve for x
x = 110,728,780,155.13/426,319.98 - Step 6: Final answer
x = 259,731.62
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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.