Finding the Fourth Proportional to 651,382.09, 977,165.88 and 202,141.78
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Solution
The fourth proportional to 651,382.09, 977,165.88 and 202,141.78 is: 303,241.45
Step by Step Solution
- Step 1: Write the proportion equation
651,382.09 : 977,165.88 = 202,141.78 : x - Step 2: Convert to fraction form
651,382.09/977,165.88 = 202,141.78/x - Step 3: Cross multiply
651,382.09x = 977,165.88 × 202,141.78 - Step 4: Simplify right side
651,382.09x = 197,526,050,338.47 - Step 5: Solve for x
x = 197,526,050,338.47/651,382.09 - Step 6: Final answer
x = 303,241.45
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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.