Finding the Fourth Proportional to 356,781.14, 535,260.90 and 251,805.14
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Solution
The fourth proportional to 356,781.14, 535,260.90 and 251,805.14 is: 377,770.66
Step by Step Solution
- Step 1: Write the proportion equation
356,781.14 : 535,260.90 = 251,805.14 : x - Step 2: Convert to fraction form
356,781.14/535,260.90 = 251,805.14/x - Step 3: Cross multiply
356,781.14x = 535,260.90 × 251,805.14 - Step 4: Simplify right side
356,781.14x = 134,781,445,861.03 - Step 5: Solve for x
x = 134,781,445,861.03/356,781.14 - Step 6: Final answer
x = 377,770.66
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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.