Finding the Fourth Proportional to 618,371.81, 927,512.36 and 197,534.69
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Solution
The fourth proportional to 618,371.81, 927,512.36 and 197,534.69 is: 296,287.55
Step by Step Solution
- Step 1: Write the proportion equation
618,371.81 : 927,512.36 = 197,534.69 : x - Step 2: Convert to fraction form
618,371.81/927,512.36 = 197,534.69/x - Step 3: Cross multiply
618,371.81x = 927,512.36 × 197,534.69 - Step 4: Simplify right side
618,371.81x = 183,215,865,516.10 - Step 5: Solve for x
x = 183,215,865,516.10/618,371.81 - Step 6: Final answer
x = 296,287.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.