Finding the Fourth Proportional to 307,356.09, 461,034.13 and 82,717.02
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Solution
The fourth proportional to 307,356.09, 461,034.13 and 82,717.02 is: 124,075.53
Step by Step Solution
- Step 1: Write the proportion equation
307,356.09 : 461,034.13 = 82,717.02 : x - Step 2: Convert to fraction form
307,356.09/461,034.13 = 82,717.02/x - Step 3: Cross multiply
307,356.09x = 461,034.13 × 82,717.02 - Step 4: Simplify right side
307,356.09x = 38,135,368,938.31 - Step 5: Solve for x
x = 38,135,368,938.31/307,356.09 - Step 6: Final answer
x = 124,075.53
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1.5x scale
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.