Finding the Fourth Proportional to 227,903.70, 341,855.55 and 214,781.70
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Solution
The fourth proportional to 227,903.70, 341,855.55 and 214,781.70 is: 322,172.55
Step by Step Solution
- Step 1: Write the proportion equation
227,903.70 : 341,855.55 = 214,781.70 : x - Step 2: Convert to fraction form
227,903.70/341,855.55 = 214,781.70/x - Step 3: Cross multiply
227,903.70x = 341,855.55 × 214,781.70 - Step 4: Simplify right side
227,903.70x = 73,424,316,183.44 - Step 5: Solve for x
x = 73,424,316,183.44/227,903.70 - Step 6: Final answer
x = 322,172.55
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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.