Finding the Fourth Proportional to 490,929.21, 677,486.25 and 273,141.05
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Solution
The fourth proportional to 490,929.21, 677,486.25 and 273,141.05 is: 376,936.83
Step by Step Solution
- Step 1: Write the proportion equation
490,929.21 : 677,486.25 = 273,141.05 : x - Step 2: Convert to fraction form
490,929.21/677,486.25 = 273,141.05/x - Step 3: Cross multiply
490,929.21x = 677,486.25 × 273,141.05 - Step 4: Simplify right side
490,929.21x = 185,049,302,298.13 - Step 5: Solve for x
x = 185,049,302,298.13/490,929.21 - Step 6: Final answer
x = 376,936.83
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.