Finding the Fourth Proportional to 413,867.97, 620,670.69 and 177,147.09
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Solution
The fourth proportional to 413,867.97, 620,670.69 and 177,147.09 is: 265,664.45
Step by Step Solution
- Step 1: Write the proportion equation
413,867.97 : 620,670.69 = 177,147.09 : x - Step 2: Convert to fraction form
413,867.97/620,670.69 = 177,147.09/x - Step 3: Cross multiply
413,867.97x = 620,670.69 × 177,147.09 - Step 4: Simplify right side
413,867.97x = 109,950,006,581.79 - Step 5: Solve for x
x = 109,950,006,581.79/413,867.97 - Step 6: Final answer
x = 265,664.45
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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.