Finding the Fourth Proportional to 247,652.10, 371,353.41 and 121,301.82
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Solution
The fourth proportional to 247,652.10, 371,353.41 and 121,301.82 is: 181,891.63
Step by Step Solution
- Step 1: Write the proportion equation
247,652.10 : 371,353.41 = 121,301.82 : x - Step 2: Convert to fraction form
247,652.10/371,353.41 = 121,301.82/x - Step 3: Cross multiply
247,652.10x = 371,353.41 × 121,301.82 - Step 4: Simplify right side
247,652.10x = 45,045,844,496.21 - Step 5: Solve for x
x = 45,045,844,496.21/247,652.10 - Step 6: Final answer
x = 181,891.63
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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.