Finding the Fourth Proportional to 478,243.58, 659,950.84 and 274,284.02
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Solution
The fourth proportional to 478,243.58, 659,950.84 and 274,284.02 is: 378,497.43
Step by Step Solution
- Step 1: Write the proportion equation
478,243.58 : 659,950.84 = 274,284.02 : x - Step 2: Convert to fraction form
478,243.58/659,950.84 = 274,284.02/x - Step 3: Cross multiply
478,243.58x = 659,950.84 × 274,284.02 - Step 4: Simplify right side
478,243.58x = 181,013,965,412.11 - Step 5: Solve for x
x = 181,013,965,412.11/478,243.58 - Step 6: Final answer
x = 378,497.43
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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.