Finding the Fourth Proportional to 269,865.94, 372,407.89 and 149,004.62
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Solution
The fourth proportional to 269,865.94, 372,407.89 and 149,004.62 is: 205,622.45
Step by Step Solution
- Step 1: Write the proportion equation
269,865.94 : 372,407.89 = 149,004.62 : x - Step 2: Convert to fraction form
269,865.94/372,407.89 = 149,004.62/x - Step 3: Cross multiply
269,865.94x = 372,407.89 × 149,004.62 - Step 4: Simplify right side
269,865.94x = 55,490,496,134.45 - Step 5: Solve for x
x = 55,490,496,134.45/269,865.94 - Step 6: Final answer
x = 205,622.45
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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.