Finding the Fourth Proportional to 283,897.62, 425,889.12 and 91,707.91
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Solution
The fourth proportional to 283,897.62, 425,889.12 and 91,707.91 is: 137,575.66
Step by Step Solution
- Step 1: Write the proportion equation
283,897.62 : 425,889.12 = 91,707.91 : x - Step 2: Convert to fraction form
283,897.62/425,889.12 = 91,707.91/x - Step 3: Cross multiply
283,897.62x = 425,889.12 × 91,707.91 - Step 4: Simplify right side
283,897.62x = 39,057,401,086.94 - Step 5: Solve for x
x = 39,057,401,086.94/283,897.62 - Step 6: Final answer
x = 137,575.66
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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.