Finding the Fourth Proportional to 253,177.26, 349,472.58 and 145,790.10
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Solution
The fourth proportional to 253,177.26, 349,472.58 and 145,790.10 is: 201,240.99
Step by Step Solution
- Step 1: Write the proportion equation
253,177.26 : 349,472.58 = 145,790.10 : x - Step 2: Convert to fraction form
253,177.26/349,472.58 = 145,790.10/x - Step 3: Cross multiply
253,177.26x = 349,472.58 × 145,790.10 - Step 4: Simplify right side
253,177.26x = 50,949,642,385.46 - Step 5: Solve for x
x = 50,949,642,385.46/253,177.26 - Step 6: Final answer
x = 201,240.99
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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.