Finding the Fourth Proportional to 214,699.87, 321,551.38 and 207,226.68
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Solution
The fourth proportional to 214,699.87, 321,551.38 and 207,226.68 is: 310,358.94
Step by Step Solution
- Step 1: Write the proportion equation
214,699.87 : 321,551.38 = 207,226.68 : x - Step 2: Convert to fraction form
214,699.87/321,551.38 = 207,226.68/x - Step 3: Cross multiply
214,699.87x = 321,551.38 × 207,226.68 - Step 4: Simplify right side
214,699.87x = 66,634,024,926.82 - Step 5: Solve for x
x = 66,634,024,926.82/214,699.87 - Step 6: Final answer
x = 310,358.94
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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.