Finding the Fourth Proportional to 283,602.70, 425,404.05 and 115,203.70
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Solution
The fourth proportional to 283,602.70, 425,404.05 and 115,203.70 is: 172,805.55
Step by Step Solution
- Step 1: Write the proportion equation
283,602.70 : 425,404.05 = 115,203.70 : x - Step 2: Convert to fraction form
283,602.70/425,404.05 = 115,203.70/x - Step 3: Cross multiply
283,602.70x = 425,404.05 × 115,203.70 - Step 4: Simplify right side
283,602.70x = 49,008,120,554.99 - Step 5: Solve for x
x = 49,008,120,554.99/283,602.70 - Step 6: Final answer
x = 172,805.55
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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.