Finding the Fourth Proportional to 307,356.47, 461,034.69 and 82,717.40
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Solution
The fourth proportional to 307,356.47, 461,034.69 and 82,717.40 is: 124,076.09
Step by Step Solution
- Step 1: Write the proportion equation
307,356.47 : 461,034.69 = 82,717.40 : x - Step 2: Convert to fraction form
307,356.47/461,034.69 = 82,717.40/x - Step 3: Cross multiply
307,356.47x = 461,034.69 × 82,717.40 - Step 4: Simplify right side
307,356.47x = 38,135,588,561.43 - Step 5: Solve for x
x = 38,135,588,561.43/307,356.47 - Step 6: Final answer
x = 124,076.09
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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.