Finding the Fourth Proportional to 255,635.91, 353,415.29 and 191,862.99
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Solution
The fourth proportional to 255,635.91, 353,415.29 and 191,862.99 is: 265,249.56
Step by Step Solution
- Step 1: Write the proportion equation
255,635.91 : 353,415.29 = 191,862.99 : x - Step 2: Convert to fraction form
255,635.91/353,415.29 = 191,862.99/x - Step 3: Cross multiply
255,635.91x = 353,415.29 × 191,862.99 - Step 4: Simplify right side
255,635.91x = 67,807,313,291.80 - Step 5: Solve for x
x = 67,807,313,291.80/255,635.91 - Step 6: Final answer
x = 265,249.56
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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.