Finding the Fourth Proportional to 269,997.21, 372,588.99 and 149,135.91
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Solution
The fourth proportional to 269,997.21, 372,588.99 and 149,135.91 is: 205,803.60
Step by Step Solution
- Step 1: Write the proportion equation
269,997.21 : 372,588.99 = 149,135.91 : x - Step 2: Convert to fraction form
269,997.21/372,588.99 = 149,135.91/x - Step 3: Cross multiply
269,997.21x = 372,588.99 × 149,135.91 - Step 4: Simplify right side
269,997.21x = 55,566,398,079.63 - Step 5: Solve for x
x = 55,566,398,079.63/269,997.21 - Step 6: Final answer
x = 205,803.60
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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.