Finding the Fourth Proportional to 269,862.99, 372,416.72 and 149,011.94
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Solution
The fourth proportional to 269,862.99, 372,416.72 and 149,011.94 is: 205,639.67
Step by Step Solution
- Step 1: Write the proportion equation
269,862.99 : 372,416.72 = 149,011.94 : x - Step 2: Convert to fraction form
269,862.99/372,416.72 = 149,011.94/x - Step 3: Cross multiply
269,862.99x = 372,416.72 × 149,011.94 - Step 4: Simplify right side
269,862.99x = 55,494,535,328.49 - Step 5: Solve for x
x = 55,494,535,328.49/269,862.99 - Step 6: Final answer
x = 205,639.67
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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.