Finding the Fourth Proportional to 655,576.79, 983,517.30 and 206,285.97
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Solution
The fourth proportional to 655,576.79, 983,517.30 and 206,285.97 is: 309,476.82
Step by Step Solution
- Step 1: Write the proportion equation
655,576.79 : 983,517.30 = 206,285.97 : x - Step 2: Convert to fraction form
655,576.79/983,517.30 = 206,285.97/x - Step 3: Cross multiply
655,576.79x = 983,517.30 × 206,285.97 - Step 4: Simplify right side
655,576.79x = 202,885,820,242.28 - Step 5: Solve for x
x = 202,885,820,242.28/655,576.79 - Step 6: Final answer
x = 309,476.82
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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.