Finding the Fourth Proportional to 172,814.77, 259,221.77 and 46,454.99
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Solution
The fourth proportional to 172,814.77, 259,221.77 and 46,454.99 is: 69,682.39
Step by Step Solution
- Step 1: Write the proportion equation
172,814.77 : 259,221.77 = 46,454.99 : x - Step 2: Convert to fraction form
172,814.77/259,221.77 = 46,454.99/x - Step 3: Cross multiply
172,814.77x = 259,221.77 × 46,454.99 - Step 4: Simplify right side
172,814.77x = 12,042,145,566.14 - Step 5: Solve for x
x = 12,042,145,566.14/172,814.77 - Step 6: Final answer
x = 69,682.39
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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.