Finding the Fourth Proportional to 490,414.08, 735,739.68 and 170,519.76
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Solution
The fourth proportional to 490,414.08, 735,739.68 and 170,519.76 is: 255,820.86
Step by Step Solution
- Step 1: Write the proportion equation
490,414.08 : 735,739.68 = 170,519.76 : x - Step 2: Convert to fraction form
490,414.08/735,739.68 = 170,519.76/x - Step 3: Cross multiply
490,414.08x = 735,739.68 × 170,519.76 - Step 4: Simplify right side
490,414.08x = 125,458,153,656.08 - Step 5: Solve for x
x = 125,458,153,656.08/490,414.08 - Step 6: Final answer
x = 255,820.86
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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.