Finding the Fourth Proportional to 391,135.92, 586,609.80 and 180,571.68
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Solution
The fourth proportional to 391,135.92, 586,609.80 and 180,571.68 is: 270,814.09
Step by Step Solution
- Step 1: Write the proportion equation
391,135.92 : 586,609.80 = 180,571.68 : x - Step 2: Convert to fraction form
391,135.92/586,609.80 = 180,571.68/x - Step 3: Cross multiply
391,135.92x = 586,609.80 × 180,571.68 - Step 4: Simplify right side
391,135.92x = 105,925,117,090.46 - Step 5: Solve for x
x = 105,925,117,090.46/391,135.92 - Step 6: Final answer
x = 270,814.09
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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.