Finding the Fourth Proportional to 432,514.10, 648,909.97 and 207,890.84
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Solution
The fourth proportional to 432,514.10, 648,909.97 and 207,890.84 is: 311,902.99
Step by Step Solution
- Step 1: Write the proportion equation
432,514.10 : 648,909.97 = 207,890.84 : x - Step 2: Convert to fraction form
432,514.10/648,909.97 = 207,890.84/x - Step 3: Cross multiply
432,514.10x = 648,909.97 × 207,890.84 - Step 4: Simplify right side
432,514.10x = 134,902,439,850.22 - Step 5: Solve for x
x = 134,902,439,850.22/432,514.10 - Step 6: Final answer
x = 311,902.99
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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.