Finding the Fourth Proportional to 260,635.65, 391,788.68 and 242,146.05
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Solution
The fourth proportional to 260,635.65, 391,788.68 and 242,146.05 is: 363,995.03
Step by Step Solution
- Step 1: Write the proportion equation
260,635.65 : 391,788.68 = 242,146.05 : x - Step 2: Convert to fraction form
260,635.65/391,788.68 = 242,146.05/x - Step 3: Cross multiply
260,635.65x = 391,788.68 × 242,146.05 - Step 4: Simplify right side
260,635.65x = 94,870,080,085.98 - Step 5: Solve for x
x = 94,870,080,085.98/260,635.65 - Step 6: Final answer
x = 363,995.03
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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.