Finding the Fourth Proportional to 651,872.21, 977,897.61 and 202,509.32
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Solution
The fourth proportional to 651,872.21, 977,897.61 and 202,509.32 is: 303,791.72
Step by Step Solution
- Step 1: Write the proportion equation
651,872.21 : 977,897.61 = 202,509.32 : x - Step 2: Convert to fraction form
651,872.21/977,897.61 = 202,509.32/x - Step 3: Cross multiply
651,872.21x = 977,897.61 × 202,509.32 - Step 4: Simplify right side
651,872.21x = 198,033,375,141.24 - Step 5: Solve for x
x = 198,033,375,141.24/651,872.21 - Step 6: Final answer
x = 303,791.72
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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.