Finding the Fourth Proportional to 440,530.11, 660,471.98 and 140,838.21
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Solution
The fourth proportional to 440,530.11, 660,471.98 and 140,838.21 is: 211,153.99
Step by Step Solution
- Step 1: Write the proportion equation
440,530.11 : 660,471.98 = 140,838.21 : x - Step 2: Convert to fraction form
440,530.11/660,471.98 = 140,838.21/x - Step 3: Cross multiply
440,530.11x = 660,471.98 × 140,838.21 - Step 4: Simplify right side
440,530.11x = 93,019,690,714.16 - Step 5: Solve for x
x = 93,019,690,714.16/440,530.11 - Step 6: Final answer
x = 211,153.99
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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.