Finding the Fourth Proportional to 269,993.74, 372,589.03 and 149,143.47
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Solution
The fourth proportional to 269,993.74, 372,589.03 and 149,143.47 is: 205,816.70
Step by Step Solution
- Step 1: Write the proportion equation
269,993.74 : 372,589.03 = 149,143.47 : x - Step 2: Convert to fraction form
269,993.74/372,589.03 = 149,143.47/x - Step 3: Cross multiply
269,993.74x = 372,589.03 × 149,143.47 - Step 4: Simplify right side
269,993.74x = 55,569,220,818.13 - Step 5: Solve for x
x = 55,569,220,818.13/269,993.74 - Step 6: Final answer
x = 205,816.70
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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.