Finding the Fourth Proportional to 490,486.08, 735,135.36 and 348,107.52
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Solution
The fourth proportional to 490,486.08, 735,135.36 and 348,107.52 is: 521,739.88
Step by Step Solution
- Step 1: Write the proportion equation
490,486.08 : 735,135.36 = 348,107.52 : x - Step 2: Convert to fraction form
490,486.08/735,135.36 = 348,107.52/x - Step 3: Cross multiply
490,486.08x = 735,135.36 × 348,107.52 - Step 4: Simplify right side
490,486.08x = 255,906,147,033.91 - Step 5: Solve for x
x = 255,906,147,033.91/490,486.08 - Step 6: Final answer
x = 521,739.88
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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.