Finding the Fourth Proportional to 305,970.26, 458,565.96 and 172,924.70
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Solution
The fourth proportional to 305,970.26, 458,565.96 and 172,924.70 is: 259,166.96
Step by Step Solution
- Step 1: Write the proportion equation
305,970.26 : 458,565.96 = 172,924.70 : x - Step 2: Convert to fraction form
305,970.26/458,565.96 = 172,924.70/x - Step 3: Cross multiply
305,970.26x = 458,565.96 × 172,924.70 - Step 4: Simplify right side
305,970.26x = 79,297,381,063.21 - Step 5: Solve for x
x = 79,297,381,063.21/305,970.26 - Step 6: Final answer
x = 259,166.96
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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.