Finding the Fourth Proportional to 490,640.08, 677,102.48 and 275,779.52
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Solution
The fourth proportional to 490,640.08, 677,102.48 and 275,779.52 is: 380,586.51
Step by Step Solution
- Step 1: Write the proportion equation
490,640.08 : 677,102.48 = 275,779.52 : x - Step 2: Convert to fraction form
490,640.08/677,102.48 = 275,779.52/x - Step 3: Cross multiply
490,640.08x = 677,102.48 × 275,779.52 - Step 4: Simplify right side
490,640.08x = 186,730,996,925.21 - Step 5: Solve for x
x = 186,730,996,925.21/490,640.08 - Step 6: Final answer
x = 380,586.51
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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.