Finding the Fourth Proportional to 214,890.99, 321,893.49 and 125,874.63
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Solution
The fourth proportional to 214,890.99, 321,893.49 and 125,874.63 is: 188,552.46
Step by Step Solution
- Step 1: Write the proportion equation
214,890.99 : 321,893.49 = 125,874.63 : x - Step 2: Convert to fraction form
214,890.99/321,893.49 = 125,874.63/x - Step 3: Cross multiply
214,890.99x = 321,893.49 × 125,874.63 - Step 4: Simplify right side
214,890.99x = 40,518,223,953.16 - Step 5: Solve for x
x = 40,518,223,953.16/214,890.99 - Step 6: Final answer
x = 188,552.46
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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.