Finding the Fourth Proportional to 243,163.19, 364,702.26 and 110,012.15
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Solution
The fourth proportional to 243,163.19, 364,702.26 and 110,012.15 is: 164,998.99
Step by Step Solution
- Step 1: Write the proportion equation
243,163.19 : 364,702.26 = 110,012.15 : x - Step 2: Convert to fraction form
243,163.19/364,702.26 = 110,012.15/x - Step 3: Cross multiply
243,163.19x = 364,702.26 × 110,012.15 - Step 4: Simplify right side
243,163.19x = 40,121,679,732.46 - Step 5: Solve for x
x = 40,121,679,732.46/243,163.19 - Step 6: Final answer
x = 164,998.99
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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.