Finding the Fourth Proportional to 651,243.36, 977,198.62 and 310,072.88
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Solution
The fourth proportional to 651,243.36, 977,198.62 and 310,072.88 is: 465,268.15
Step by Step Solution
- Step 1: Write the proportion equation
651,243.36 : 977,198.62 = 310,072.88 : x - Step 2: Convert to fraction form
651,243.36/977,198.62 = 310,072.88/x - Step 3: Cross multiply
651,243.36x = 977,198.62 × 310,072.88 - Step 4: Simplify right side
651,243.36x = 303,002,790,435.43 - Step 5: Solve for x
x = 303,002,790,435.43/651,243.36 - Step 6: Final answer
x = 465,268.15
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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.