Finding the Fourth Proportional to 299,072.63, 412,720.23 and 164,936.63
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Solution
The fourth proportional to 299,072.63, 412,720.23 and 164,936.63 is: 227,612.55
Step by Step Solution
- Step 1: Write the proportion equation
299,072.63 : 412,720.23 = 164,936.63 : x - Step 2: Convert to fraction form
299,072.63/412,720.23 = 164,936.63/x - Step 3: Cross multiply
299,072.63x = 412,720.23 × 164,936.63 - Step 4: Simplify right side
299,072.63x = 68,072,681,805.42 - Step 5: Solve for x
x = 68,072,681,805.42/299,072.63 - Step 6: Final answer
x = 227,612.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.