Finding the Fourth Proportional to 198,576.18, 297,801.09 and 65,431.62
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Solution
The fourth proportional to 198,576.18, 297,801.09 and 65,431.62 is: 98,126.61
Step by Step Solution
- Step 1: Write the proportion equation
198,576.18 : 297,801.09 = 65,431.62 : x - Step 2: Convert to fraction form
198,576.18/297,801.09 = 65,431.62/x - Step 3: Cross multiply
198,576.18x = 297,801.09 × 65,431.62 - Step 4: Simplify right side
198,576.18x = 19,485,607,756.47 - Step 5: Solve for x
x = 19,485,607,756.47/198,576.18 - Step 6: Final answer
x = 98,126.61
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1.5x scale
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.