Finding the Fourth Proportional to 303,516.20, 455,274.30 and 214,869.80
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Solution
The fourth proportional to 303,516.20, 455,274.30 and 214,869.80 is: 322,304.70
Step by Step Solution
- Step 1: Write the proportion equation
303,516.20 : 455,274.30 = 214,869.80 : x - Step 2: Convert to fraction form
303,516.20/455,274.30 = 214,869.80/x - Step 3: Cross multiply
303,516.20x = 455,274.30 × 214,869.80 - Step 4: Simplify right side
303,516.20x = 97,824,697,786.14 - Step 5: Solve for x
x = 97,824,697,786.14/303,516.20 - Step 6: Final answer
x = 322,304.70
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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.