Finding the Fourth Proportional to 214,821.08, 322,143.84 and 93,249.40
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Solution
The fourth proportional to 214,821.08, 322,143.84 and 93,249.40 is: 139,835.99
Step by Step Solution
- Step 1: Write the proportion equation
214,821.08 : 322,143.84 = 93,249.40 : x - Step 2: Convert to fraction form
214,821.08/322,143.84 = 93,249.40/x - Step 3: Cross multiply
214,821.08x = 322,143.84 × 93,249.40 - Step 4: Simplify right side
214,821.08x = 30,039,718,988.34 - Step 5: Solve for x
x = 30,039,718,988.34/214,821.08 - Step 6: Final answer
x = 139,835.99
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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.