Finding the Fourth Proportional to 214,022.60, 321,725.10 and 152,121.80
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Solution
The fourth proportional to 214,022.60, 321,725.10 and 152,121.80 is: 228,673.99
Step by Step Solution
- Step 1: Write the proportion equation
214,022.60 : 321,725.10 = 152,121.80 : x - Step 2: Convert to fraction form
214,022.60/321,725.10 = 152,121.80/x - Step 3: Cross multiply
214,022.60x = 321,725.10 × 152,121.80 - Step 4: Simplify right side
214,022.60x = 48,941,401,317.18 - Step 5: Solve for x
x = 48,941,401,317.18/214,022.60 - Step 6: Final answer
x = 228,673.99
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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.