Finding the Fourth Proportional to 338,034.09, 507,018.12 and 88,716.09
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Solution
The fourth proportional to 338,034.09, 507,018.12 and 88,716.09 is: 133,065.47
Step by Step Solution
- Step 1: Write the proportion equation
338,034.09 : 507,018.12 = 88,716.09 : x - Step 2: Convert to fraction form
338,034.09/507,018.12 = 88,716.09/x - Step 3: Cross multiply
338,034.09x = 507,018.12 × 88,716.09 - Step 4: Simplify right side
338,034.09x = 44,980,665,165.55 - Step 5: Solve for x
x = 44,980,665,165.55/338,034.09 - Step 6: Final answer
x = 133,065.47
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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.